diff options
Diffstat (limited to 'xorg-server/hw/kdrive/src/kxv.c')
-rw-r--r-- | xorg-server/hw/kdrive/src/kxv.c | 3797 |
1 files changed, 1891 insertions, 1906 deletions
diff --git a/xorg-server/hw/kdrive/src/kxv.c b/xorg-server/hw/kdrive/src/kxv.c index e76a2c419..7097aee5c 100644 --- a/xorg-server/hw/kdrive/src/kxv.c +++ b/xorg-server/hw/kdrive/src/kxv.c @@ -1,1906 +1,1891 @@ -/*
-
- XFree86 Xv DDX written by Mark Vojkovich (markv@valinux.com)
- Adapted for KDrive by Pontus Lidman <pontus.lidman@nokia.com>
-
- Copyright (C) 2000, 2001 - Nokia Home Communications
- Copyright (C) 1998, 1999 - The XFree86 Project Inc.
-
-All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, and/or sell copies of the Software, and to permit persons
-to whom the Software is furnished to do so, provided that the above
-copyright notice(s) and this permission notice appear in all copies of
-the Software and that both the above copyright notice(s) and this
-permission notice appear in supporting documentation.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY
-SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
-RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
-CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-Except as contained in this notice, the name of a copyright holder
-shall not be used in advertising or otherwise to promote the sale, use
-or other dealings in this Software without prior written authorization
-of the copyright holder.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-#include "kdrive.h"
-
-#include "scrnintstr.h"
-#include "regionstr.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "mivalidate.h"
-#include "validate.h"
-#include "resource.h"
-#include "gcstruct.h"
-#include "dixstruct.h"
-
-#include <X11/extensions/Xv.h>
-#include <X11/extensions/Xvproto.h>
-
-#include "kxv.h"
-#include "fourcc.h"
-
-
-/* XvScreenRec fields */
-
-static Bool KdXVCloseScreen(int, ScreenPtr);
-static int KdXVQueryAdaptors(ScreenPtr, XvAdaptorPtr *, int *);
-
-/* XvAdaptorRec fields */
-
-static int KdXVAllocatePort(unsigned long, XvPortPtr, XvPortPtr*);
-static int KdXVFreePort(XvPortPtr);
-static int KdXVPutVideo(ClientPtr, DrawablePtr,XvPortPtr, GCPtr,
- INT16, INT16, CARD16, CARD16,
- INT16, INT16, CARD16, CARD16);
-static int KdXVPutStill(ClientPtr, DrawablePtr,XvPortPtr, GCPtr,
- INT16, INT16, CARD16, CARD16,
- INT16, INT16, CARD16, CARD16);
-static int KdXVGetVideo(ClientPtr, DrawablePtr,XvPortPtr, GCPtr,
- INT16, INT16, CARD16, CARD16,
- INT16, INT16, CARD16, CARD16);
-static int KdXVGetStill(ClientPtr, DrawablePtr,XvPortPtr, GCPtr,
- INT16, INT16, CARD16, CARD16,
- INT16, INT16, CARD16, CARD16);
-static int KdXVStopVideo(ClientPtr, XvPortPtr, DrawablePtr);
-static int KdXVSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32);
-static int KdXVGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32 *);
-static int KdXVQueryBestSize(ClientPtr, XvPortPtr, CARD8,
- CARD16, CARD16,CARD16, CARD16,
- unsigned int*, unsigned int*);
-static int KdXVPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
- INT16, INT16, CARD16, CARD16,
- INT16, INT16, CARD16, CARD16,
- XvImagePtr, unsigned char*, Bool,
- CARD16, CARD16);
-static int KdXVQueryImageAttributes(ClientPtr, XvPortPtr, XvImagePtr,
- CARD16*, CARD16*, int*, int*);
-
-
-/* ScreenRec fields */
-
-static Bool KdXVCreateWindow(WindowPtr pWin);
-static Bool KdXVDestroyWindow(WindowPtr pWin);
-static void KdXVWindowExposures(WindowPtr pWin, RegionPtr r1, RegionPtr r2);
-static void KdXVClipNotify(WindowPtr pWin, int dx, int dy);
-
-/* misc */
-static Bool KdXVInitAdaptors(ScreenPtr, KdVideoAdaptorPtr*, int);
-
-static DevPrivateKeyRec KdXVWindowKeyRec;
-#define KdXVWindowKey (&KdXVWindowKeyRec)
-static DevPrivateKey KdXvScreenKey;
-static unsigned long KdXVGeneration = 0;
-static unsigned long PortResource = 0;
-
-DevPrivateKey (*XvGetScreenKeyProc)(void) = XvGetScreenKey;
-unsigned long (*XvGetRTPortProc)(void) = XvGetRTPort;
-int (*XvScreenInitProc)(ScreenPtr) = XvScreenInit;
-
-#define GET_XV_SCREEN(pScreen) ((XvScreenPtr) \
- dixLookupPrivate(&(pScreen)->devPrivates, KdXvScreenKey))
-
-#define GET_KDXV_SCREEN(pScreen) \
- ((KdXVScreenPtr)(GET_XV_SCREEN(pScreen)->devPriv.ptr))
-
-#define GET_KDXV_WINDOW(pWin) ((KdXVWindowPtr) \
- dixLookupPrivate(&(pWin)->devPrivates, KdXVWindowKey))
-
-static KdXVInitGenericAdaptorPtr *GenDrivers = NULL;
-static int NumGenDrivers = 0;
-
-int
-KdXVRegisterGenericAdaptorDriver(
- KdXVInitGenericAdaptorPtr InitFunc
-){
- KdXVInitGenericAdaptorPtr *newdrivers;
-
-/* fprintf(stderr,"KdXVRegisterGenericAdaptorDriver\n"); */
-
- newdrivers = realloc(GenDrivers, sizeof(KdXVInitGenericAdaptorPtr) *
- (1 + NumGenDrivers));
- if (!newdrivers)
- return 0;
- GenDrivers = newdrivers;
-
- GenDrivers[NumGenDrivers++] = InitFunc;
-
- return 1;
-}
-
-int
-KdXVListGenericAdaptors(
- KdScreenInfo * screen,
- KdVideoAdaptorPtr **adaptors
-){
- int i,j,n,num;
- KdVideoAdaptorPtr *DrivAdap,*new;
-
- num = 0;
- *adaptors = NULL;
- for (i = 0; i < NumGenDrivers; i++) {
- n = GenDrivers[i](screen,&DrivAdap);
- if (0 == n)
- continue;
- new = realloc(*adaptors, sizeof(KdVideoAdaptorPtr) * (num+n));
- if (NULL == new)
- continue;
- *adaptors = new;
- for (j = 0; j < n; j++, num++)
- (*adaptors)[num] = DrivAdap[j];
- }
- return num;
-}
-
-KdVideoAdaptorPtr
-KdXVAllocateVideoAdaptorRec(KdScreenInfo * screen)
-{
- return calloc(1, sizeof(KdVideoAdaptorRec));
-}
-
-void
-KdXVFreeVideoAdaptorRec(KdVideoAdaptorPtr ptr)
-{
- free(ptr);
-}
-
-
-Bool
-KdXVScreenInit(
- ScreenPtr pScreen,
- KdVideoAdaptorPtr *adaptors,
- int num
-){
- KdXVScreenPtr ScreenPriv;
- XvScreenPtr pxvs;
-
-/* fprintf(stderr,"KdXVScreenInit initializing %d adaptors\n",num); */
-
- if (KdXVGeneration != serverGeneration)
- KdXVGeneration = serverGeneration;
-
- if(!XvGetScreenKeyProc || !XvGetRTPortProc || !XvScreenInitProc)
- return FALSE;
-
- if (!dixRegisterPrivateKey(&KdXVWindowKeyRec, PRIVATE_WINDOW, 0))
- return FALSE;
-
- if(Success != (*XvScreenInitProc)(pScreen)) return FALSE;
-
- KdXvScreenKey = (*XvGetScreenKeyProc)();
- PortResource = (*XvGetRTPortProc)();
-
- pxvs = GET_XV_SCREEN(pScreen);
-
-
- /* Anyone initializing the Xv layer must provide these two.
- The Xv di layer calls them without even checking if they exist! */
-
- pxvs->ddCloseScreen = KdXVCloseScreen;
- pxvs->ddQueryAdaptors = KdXVQueryAdaptors;
-
- /* The Xv di layer provides us with a private hook so that we don't
- have to allocate our own screen private. They also provide
- a CloseScreen hook so that we don't have to wrap it. I'm not
- sure that I appreciate that. */
-
- ScreenPriv = malloc(sizeof(KdXVScreenRec));
- pxvs->devPriv.ptr = (pointer)ScreenPriv;
-
- if(!ScreenPriv) return FALSE;
-
-
- ScreenPriv->CreateWindow = pScreen->CreateWindow;
- ScreenPriv->DestroyWindow = pScreen->DestroyWindow;
- ScreenPriv->WindowExposures = pScreen->WindowExposures;
- ScreenPriv->ClipNotify = pScreen->ClipNotify;
-
-/* fprintf(stderr,"XV: Wrapping screen funcs\n"); */
-
- pScreen->CreateWindow = KdXVCreateWindow;
- pScreen->DestroyWindow = KdXVDestroyWindow;
- pScreen->WindowExposures = KdXVWindowExposures;
- pScreen->ClipNotify = KdXVClipNotify;
-
- if(!KdXVInitAdaptors(pScreen, adaptors, num))
- return FALSE;
-
- return TRUE;
-}
-
-static void
-KdXVFreeAdaptor(XvAdaptorPtr pAdaptor)
-{
- int i;
-
- free(pAdaptor->name);
-
- if(pAdaptor->pEncodings) {
- XvEncodingPtr pEncode = pAdaptor->pEncodings;
-
- for(i = 0; i < pAdaptor->nEncodings; i++, pEncode++) {
- free(pEncode->name);
- }
- free(pAdaptor->pEncodings);
- }
-
- free(pAdaptor->pFormats);
-
- if(pAdaptor->pPorts) {
- XvPortPtr pPort = pAdaptor->pPorts;
- XvPortRecPrivatePtr pPriv;
-
- for(i = 0; i < pAdaptor->nPorts; i++, pPort++) {
- pPriv = (XvPortRecPrivatePtr)pPort->devPriv.ptr;
- if(pPriv) {
- if(pPriv->clientClip)
- RegionDestroy(pPriv->clientClip);
- if(pPriv->pCompositeClip && pPriv->FreeCompositeClip)
- RegionDestroy(pPriv->pCompositeClip);
- free(pPriv);
- }
- }
- free(pAdaptor->pPorts);
- }
-
- if(pAdaptor->nAttributes) {
- XvAttributePtr pAttribute = pAdaptor->pAttributes;
-
- for(i = 0; i < pAdaptor->nAttributes; i++, pAttribute++) {
- free(pAttribute->name);
- }
-
- free(pAdaptor->pAttributes);
- }
-
- free(pAdaptor->pImages);
-
- free(pAdaptor->devPriv.ptr);
-}
-
-static Bool
-KdXVInitAdaptors(
- ScreenPtr pScreen,
- KdVideoAdaptorPtr *infoPtr,
- int number
-) {
- KdScreenPriv(pScreen);
- KdScreenInfo * screen = pScreenPriv->screen;
-
- XvScreenPtr pxvs = GET_XV_SCREEN(pScreen);
- KdVideoAdaptorPtr adaptorPtr;
- XvAdaptorPtr pAdaptor, pa;
- XvAdaptorRecPrivatePtr adaptorPriv;
- int na, numAdaptor;
- XvPortRecPrivatePtr portPriv;
- XvPortPtr pPort, pp;
- int numPort;
- KdAttributePtr attributePtr;
- XvAttributePtr pAttribute, pat;
- KdVideoFormatPtr formatPtr;
- XvFormatPtr pFormat, pf;
- int numFormat, totFormat;
- KdVideoEncodingPtr encodingPtr;
- XvEncodingPtr pEncode, pe;
- KdImagePtr imagePtr;
- XvImagePtr pImage, pi;
- int numVisuals;
- VisualPtr pVisual;
- int i;
-
- pxvs->nAdaptors = 0;
- pxvs->pAdaptors = NULL;
-
- if(!(pAdaptor = calloc(number, sizeof(XvAdaptorRec))))
- return FALSE;
-
- for(pa = pAdaptor, na = 0, numAdaptor = 0; na < number; na++, adaptorPtr++) {
- adaptorPtr = infoPtr[na];
-
- if(!adaptorPtr->StopVideo || !adaptorPtr->SetPortAttribute ||
- !adaptorPtr->GetPortAttribute || !adaptorPtr->QueryBestSize)
- continue;
-
- /* client libs expect at least one encoding */
- if(!adaptorPtr->nEncodings || !adaptorPtr->pEncodings)
- continue;
-
- pa->type = adaptorPtr->type;
-
- if(!adaptorPtr->PutVideo && !adaptorPtr->GetVideo)
- pa->type &= ~XvVideoMask;
-
- if(!adaptorPtr->PutStill && !adaptorPtr->GetStill)
- pa->type &= ~XvStillMask;
-
- if(!adaptorPtr->PutImage || !adaptorPtr->QueryImageAttributes)
- pa->type &= ~XvImageMask;
-
- if(!adaptorPtr->PutVideo && !adaptorPtr->PutImage &&
- !adaptorPtr->PutStill)
- pa->type &= ~XvInputMask;
-
- if(!adaptorPtr->GetVideo && !adaptorPtr->GetStill)
- pa->type &= ~XvOutputMask;
-
- if(!(adaptorPtr->type & (XvPixmapMask | XvWindowMask)))
- continue;
- if(!(adaptorPtr->type & (XvImageMask | XvVideoMask | XvStillMask)))
- continue;
-
- pa->pScreen = pScreen;
- pa->ddAllocatePort = KdXVAllocatePort;
- pa->ddFreePort = KdXVFreePort;
- pa->ddPutVideo = KdXVPutVideo;
- pa->ddPutStill = KdXVPutStill;
- pa->ddGetVideo = KdXVGetVideo;
- pa->ddGetStill = KdXVGetStill;
- pa->ddStopVideo = KdXVStopVideo;
- pa->ddPutImage = KdXVPutImage;
- pa->ddSetPortAttribute = KdXVSetPortAttribute;
- pa->ddGetPortAttribute = KdXVGetPortAttribute;
- pa->ddQueryBestSize = KdXVQueryBestSize;
- pa->ddQueryImageAttributes = KdXVQueryImageAttributes;
- pa->name = strdup(adaptorPtr->name);
-
- if(adaptorPtr->nEncodings &&
- (pEncode = calloc(adaptorPtr->nEncodings, sizeof(XvEncodingRec)))) {
-
- for(pe = pEncode, encodingPtr = adaptorPtr->pEncodings, i = 0;
- i < adaptorPtr->nEncodings; pe++, i++, encodingPtr++)
- {
- pe->id = encodingPtr->id;
- pe->pScreen = pScreen;
- pe->name = strdup(encodingPtr->name);
- pe->width = encodingPtr->width;
- pe->height = encodingPtr->height;
- pe->rate.numerator = encodingPtr->rate.numerator;
- pe->rate.denominator = encodingPtr->rate.denominator;
- }
- pa->nEncodings = adaptorPtr->nEncodings;
- pa->pEncodings = pEncode;
- }
-
- if(adaptorPtr->nImages &&
- (pImage = calloc(adaptorPtr->nImages, sizeof(XvImageRec)))) {
-
- for(i = 0, pi = pImage, imagePtr = adaptorPtr->pImages;
- i < adaptorPtr->nImages; i++, pi++, imagePtr++)
- {
- pi->id = imagePtr->id;
- pi->type = imagePtr->type;
- pi->byte_order = imagePtr->byte_order;
- memcpy(pi->guid, imagePtr->guid, 16);
- pi->bits_per_pixel = imagePtr->bits_per_pixel;
- pi->format = imagePtr->format;
- pi->num_planes = imagePtr->num_planes;
- pi->depth = imagePtr->depth;
- pi->red_mask = imagePtr->red_mask;
- pi->green_mask = imagePtr->green_mask;
- pi->blue_mask = imagePtr->blue_mask;
- pi->y_sample_bits = imagePtr->y_sample_bits;
- pi->u_sample_bits = imagePtr->u_sample_bits;
- pi->v_sample_bits = imagePtr->v_sample_bits;
- pi->horz_y_period = imagePtr->horz_y_period;
- pi->horz_u_period = imagePtr->horz_u_period;
- pi->horz_v_period = imagePtr->horz_v_period;
- pi->vert_y_period = imagePtr->vert_y_period;
- pi->vert_u_period = imagePtr->vert_u_period;
- pi->vert_v_period = imagePtr->vert_v_period;
- memcpy(pi->component_order, imagePtr->component_order, 32);
- pi->scanline_order = imagePtr->scanline_order;
- }
- pa->nImages = adaptorPtr->nImages;
- pa->pImages = pImage;
- }
-
- if(adaptorPtr->nAttributes &&
- (pAttribute = calloc(adaptorPtr->nAttributes, sizeof(XvAttributeRec))))
- {
- for(pat = pAttribute, attributePtr = adaptorPtr->pAttributes, i = 0;
- i < adaptorPtr->nAttributes; pat++, i++, attributePtr++)
- {
- pat->flags = attributePtr->flags;
- pat->min_value = attributePtr->min_value;
- pat->max_value = attributePtr->max_value;
- pat->name = strdup(attributePtr->name);
- }
- pa->nAttributes = adaptorPtr->nAttributes;
- pa->pAttributes = pAttribute;
- }
-
-
- totFormat = adaptorPtr->nFormats;
-
- if(!(pFormat = calloc(totFormat, sizeof(XvFormatRec)))) {
- KdXVFreeAdaptor(pa);
- continue;
- }
- for(pf = pFormat, i = 0, numFormat = 0, formatPtr = adaptorPtr->pFormats;
- i < adaptorPtr->nFormats; i++, formatPtr++)
- {
- numVisuals = pScreen->numVisuals;
- pVisual = pScreen->visuals;
-
- while(numVisuals--) {
- if((pVisual->class == formatPtr->class) &&
- (pVisual->nplanes == formatPtr->depth)) {
-
- if(numFormat >= totFormat) {
- void *moreSpace;
- totFormat *= 2;
- moreSpace = realloc(pFormat,
- totFormat * sizeof(XvFormatRec));
- if(!moreSpace) break;
- pFormat = moreSpace;
- pf = pFormat + numFormat;
- }
-
- pf->visual = pVisual->vid;
- pf->depth = formatPtr->depth;
-
- pf++;
- numFormat++;
- }
- pVisual++;
- }
- }
- pa->nFormats = numFormat;
- pa->pFormats = pFormat;
- if(!numFormat) {
- KdXVFreeAdaptor(pa);
- continue;
- }
-
- if(!(adaptorPriv = calloc(1, sizeof(XvAdaptorRecPrivate)))) {
- KdXVFreeAdaptor(pa);
- continue;
- }
-
- adaptorPriv->flags = adaptorPtr->flags;
- adaptorPriv->PutVideo = adaptorPtr->PutVideo;
- adaptorPriv->PutStill = adaptorPtr->PutStill;
- adaptorPriv->GetVideo = adaptorPtr->GetVideo;
- adaptorPriv->GetStill = adaptorPtr->GetStill;
- adaptorPriv->StopVideo = adaptorPtr->StopVideo;
- adaptorPriv->SetPortAttribute = adaptorPtr->SetPortAttribute;
- adaptorPriv->GetPortAttribute = adaptorPtr->GetPortAttribute;
- adaptorPriv->QueryBestSize = adaptorPtr->QueryBestSize;
- adaptorPriv->QueryImageAttributes = adaptorPtr->QueryImageAttributes;
- adaptorPriv->PutImage = adaptorPtr->PutImage;
- adaptorPriv->ReputImage = adaptorPtr->ReputImage;
-
- pa->devPriv.ptr = (pointer)adaptorPriv;
-
- if(!(pPort = calloc(adaptorPtr->nPorts, sizeof(XvPortRec)))) {
- KdXVFreeAdaptor(pa);
- continue;
- }
- for(pp = pPort, i = 0, numPort = 0;
- i < adaptorPtr->nPorts; i++) {
-
- if(!(pp->id = FakeClientID(0)))
- continue;
-
- if(!(portPriv = calloc(1, sizeof(XvPortRecPrivate))))
- continue;
-
- if(!AddResource(pp->id, PortResource, pp)) {
- free(portPriv);
- continue;
- }
-
- pp->pAdaptor = pa;
- pp->pNotify = (XvPortNotifyPtr)NULL;
- pp->pDraw = (DrawablePtr)NULL;
- pp->client = (ClientPtr)NULL;
- pp->grab.client = (ClientPtr)NULL;
- pp->time = currentTime;
- pp->devPriv.ptr = portPriv;
-
- portPriv->screen = screen;
- portPriv->AdaptorRec = adaptorPriv;
- portPriv->DevPriv.ptr = adaptorPtr->pPortPrivates[i].ptr;
-
- pp++;
- numPort++;
- }
- pa->nPorts = numPort;
- pa->pPorts = pPort;
- if(!numPort) {
- KdXVFreeAdaptor(pa);
- continue;
- }
-
- pa->base_id = pPort->id;
-
- pa++;
- numAdaptor++;
- }
-
- if(numAdaptor) {
- pxvs->nAdaptors = numAdaptor;
- pxvs->pAdaptors = pAdaptor;
- } else {
- free(pAdaptor);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/* Video should be clipped to the intersection of the window cliplist
- and the client cliplist specified in the GC for which the video was
- initialized. When we need to reclip a window, the GC that started
- the video may not even be around anymore. That's why we save the
- client clip from the GC when the video is initialized. We then
- use KdXVUpdateCompositeClip to calculate the new composite clip
- when we need it. This is different from what DEC did. They saved
- the GC and used it's clip list when they needed to reclip the window,
- even if the client clip was different from the one the video was
- initialized with. If the original GC was destroyed, they had to stop
- the video. I like the new method better (MArk).
-
- This function only works for windows. Will need to rewrite when
- (if) we support pixmap rendering.
-*/
-
-static void
-KdXVUpdateCompositeClip(XvPortRecPrivatePtr portPriv)
-{
- RegionPtr pregWin, pCompositeClip;
- WindowPtr pWin;
- Bool freeCompClip = FALSE;
-
- if(portPriv->pCompositeClip)
- return;
-
- pWin = (WindowPtr)portPriv->pDraw;
-
- /* get window clip list */
- if(portPriv->subWindowMode == IncludeInferiors) {
- pregWin = NotClippedByChildren(pWin);
- freeCompClip = TRUE;
- } else
- pregWin = &pWin->clipList;
-
- if(!portPriv->clientClip) {
- portPriv->pCompositeClip = pregWin;
- portPriv->FreeCompositeClip = freeCompClip;
- return;
- }
-
- pCompositeClip = RegionCreate(NullBox, 1);
- RegionCopy(pCompositeClip, portPriv->clientClip);
- RegionTranslate(pCompositeClip,
- portPriv->pDraw->x + portPriv->clipOrg.x,
- portPriv->pDraw->y + portPriv->clipOrg.y);
- RegionIntersect(pCompositeClip, pregWin, pCompositeClip);
-
- portPriv->pCompositeClip = pCompositeClip;
- portPriv->FreeCompositeClip = TRUE;
-
- if(freeCompClip) {
- RegionDestroy(pregWin);
- }
-}
-
-/* Save the current clientClip and update the CompositeClip whenever
- we have a fresh GC */
-
-static void
-KdXVCopyClip(
- XvPortRecPrivatePtr portPriv,
- GCPtr pGC
-){
- /* copy the new clip if it exists */
- if((pGC->clientClipType == CT_REGION) && pGC->clientClip) {
- if(!portPriv->clientClip)
- portPriv->clientClip = RegionCreate(NullBox, 1);
- /* Note: this is in window coordinates */
- RegionCopy(portPriv->clientClip, pGC->clientClip);
- } else if(portPriv->clientClip) { /* free the old clientClip */
- RegionDestroy(portPriv->clientClip);
- portPriv->clientClip = NULL;
- }
-
- /* get rid of the old clip list */
- if(portPriv->pCompositeClip && portPriv->FreeCompositeClip) {
- RegionDestroy(portPriv->pCompositeClip);
- }
-
- portPriv->clipOrg = pGC->clipOrg;
- portPriv->pCompositeClip = pGC->pCompositeClip;
- portPriv->FreeCompositeClip = FALSE;
- portPriv->subWindowMode = pGC->subWindowMode;
-}
-
-static int
-KdXVRegetVideo(XvPortRecPrivatePtr portPriv)
-{
- RegionRec WinRegion;
- RegionRec ClipRegion;
- BoxRec WinBox;
- int ret = Success;
- Bool clippedAway = FALSE;
-
- KdXVUpdateCompositeClip(portPriv);
-
- /* translate the video region to the screen */
- WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x;
- WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y;
- WinBox.x2 = WinBox.x1 + portPriv->drw_w;
- WinBox.y2 = WinBox.y1 + portPriv->drw_h;
-
- /* clip to the window composite clip */
- RegionInit(&WinRegion, &WinBox, 1);
- RegionInit(&ClipRegion, NullBox, 1);
- RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip);
-
- /* that's all if it's totally obscured */
- if(!RegionNotEmpty(&ClipRegion)) {
- clippedAway = TRUE;
- goto CLIP_VIDEO_BAILOUT;
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) {
- RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion);
- }
-
- ret = (*portPriv->AdaptorRec->GetVideo)(portPriv->screen, portPriv->pDraw,
- portPriv->vid_x, portPriv->vid_y,
- WinBox.x1, WinBox.y1,
- portPriv->vid_w, portPriv->vid_h,
- portPriv->drw_w, portPriv->drw_h,
- &ClipRegion, portPriv->DevPriv.ptr);
-
- if(ret == Success)
- portPriv->isOn = XV_ON;
-
-CLIP_VIDEO_BAILOUT:
-
- if((clippedAway || (ret != Success)) && portPriv->isOn == XV_ON) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, FALSE);
- portPriv->isOn = XV_PENDING;
- }
-
- /* This clip was copied and only good for one shot */
- if(!portPriv->FreeCompositeClip)
- portPriv->pCompositeClip = NULL;
-
- RegionUninit(&WinRegion);
- RegionUninit(&ClipRegion);
-
- return ret;
-}
-
-
-static int
-KdXVReputVideo(XvPortRecPrivatePtr portPriv)
-{
- RegionRec WinRegion;
- RegionRec ClipRegion;
- BoxRec WinBox;
- ScreenPtr pScreen = portPriv->pDraw->pScreen;
- KdScreenPriv(pScreen);
- KdScreenInfo *screen=pScreenPriv->screen;
- int ret = Success;
- Bool clippedAway = FALSE;
-
- KdXVUpdateCompositeClip(portPriv);
-
- /* translate the video region to the screen */
- WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x;
- WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y;
- WinBox.x2 = WinBox.x1 + portPriv->drw_w;
- WinBox.y2 = WinBox.y1 + portPriv->drw_h;
-
- /* clip to the window composite clip */
- RegionInit(&WinRegion, &WinBox, 1);
- RegionInit(&ClipRegion, NullBox, 1);
- RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip);
-
- /* clip and translate to the viewport */
- if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) {
- RegionRec VPReg;
- BoxRec VPBox;
-
- VPBox.x1 = 0;
- VPBox.y1 = 0;
- VPBox.x2 = screen->width;
- VPBox.y2 = screen->height;
-
- RegionInit(&VPReg, &VPBox, 1);
- RegionIntersect(&ClipRegion, &ClipRegion, &VPReg);
- RegionUninit(&VPReg);
- }
-
- /* that's all if it's totally obscured */
- if(!RegionNotEmpty(&ClipRegion)) {
- clippedAway = TRUE;
- goto CLIP_VIDEO_BAILOUT;
- }
-
- /* bailout if we have to clip but the hardware doesn't support it */
- if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) {
- BoxPtr clipBox = RegionRects(&ClipRegion);
- if( (RegionNumRects(&ClipRegion) != 1) ||
- (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) ||
- (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2))
- {
- clippedAway = TRUE;
- goto CLIP_VIDEO_BAILOUT;
- }
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) {
- RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion);
- }
-
- ret = (*portPriv->AdaptorRec->PutVideo)(portPriv->screen, portPriv->pDraw,
- portPriv->vid_x, portPriv->vid_y,
- WinBox.x1, WinBox.y1,
- portPriv->vid_w, portPriv->vid_h,
- portPriv->drw_w, portPriv->drw_h,
- &ClipRegion, portPriv->DevPriv.ptr);
-
- if(ret == Success) portPriv->isOn = XV_ON;
-
-CLIP_VIDEO_BAILOUT:
-
- if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, FALSE);
- portPriv->isOn = XV_PENDING;
- }
-
- /* This clip was copied and only good for one shot */
- if(!portPriv->FreeCompositeClip)
- portPriv->pCompositeClip = NULL;
-
- RegionUninit(&WinRegion);
- RegionUninit(&ClipRegion);
-
- return ret;
-}
-
-static int
-KdXVReputImage(XvPortRecPrivatePtr portPriv)
-{
- RegionRec WinRegion;
- RegionRec ClipRegion;
- BoxRec WinBox;
- ScreenPtr pScreen = portPriv->pDraw->pScreen;
- KdScreenPriv(pScreen);
- KdScreenInfo *screen=pScreenPriv->screen;
- int ret = Success;
- Bool clippedAway = FALSE;
-
- KdXVUpdateCompositeClip(portPriv);
-
- /* translate the video region to the screen */
- WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x;
- WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y;
- WinBox.x2 = WinBox.x1 + portPriv->drw_w;
- WinBox.y2 = WinBox.y1 + portPriv->drw_h;
-
- /* clip to the window composite clip */
- RegionInit(&WinRegion, &WinBox, 1);
- RegionInit(&ClipRegion, NullBox, 1);
- RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip);
-
- /* clip and translate to the viewport */
- if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) {
- RegionRec VPReg;
- BoxRec VPBox;
-
- VPBox.x1 = 0;
- VPBox.y1 = 0;
- VPBox.x2 = screen->width;
- VPBox.y2 = screen->height;
-
- RegionInit(&VPReg, &VPBox, 1);
- RegionIntersect(&ClipRegion, &ClipRegion, &VPReg);
- RegionUninit(&VPReg);
- }
-
- /* that's all if it's totally obscured */
- if(!RegionNotEmpty(&ClipRegion)) {
- clippedAway = TRUE;
- goto CLIP_VIDEO_BAILOUT;
- }
-
- /* bailout if we have to clip but the hardware doesn't support it */
- if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) {
- BoxPtr clipBox = RegionRects(&ClipRegion);
- if( (RegionNumRects(&ClipRegion) != 1) ||
- (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) ||
- (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2))
- {
- clippedAway = TRUE;
- goto CLIP_VIDEO_BAILOUT;
- }
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) {
- RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion);
- }
-
- ret = (*portPriv->AdaptorRec->ReputImage)(portPriv->screen, portPriv->pDraw,
- WinBox.x1, WinBox.y1,
- &ClipRegion, portPriv->DevPriv.ptr);
-
- portPriv->isOn = (ret == Success) ? XV_ON : XV_OFF;
-
-CLIP_VIDEO_BAILOUT:
-
- if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, FALSE);
- portPriv->isOn = XV_PENDING;
- }
-
- /* This clip was copied and only good for one shot */
- if(!portPriv->FreeCompositeClip)
- portPriv->pCompositeClip = NULL;
-
- RegionUninit(&WinRegion);
- RegionUninit(&ClipRegion);
-
- return ret;
-}
-
-
-static int
-KdXVReputAllVideo(WindowPtr pWin, pointer data)
-{
- KdXVWindowPtr WinPriv;
-
- if (pWin->drawable.type != DRAWABLE_WINDOW)
- return WT_DONTWALKCHILDREN;
-
- WinPriv = GET_KDXV_WINDOW(pWin);
-
- while(WinPriv) {
- if(WinPriv->PortRec->type == XvInputMask)
- KdXVReputVideo(WinPriv->PortRec);
- else
- KdXVRegetVideo(WinPriv->PortRec);
- WinPriv = WinPriv->next;
- }
-
- return WT_WALKCHILDREN;
-}
-
-static int
-KdXVEnlistPortInWindow(WindowPtr pWin, XvPortRecPrivatePtr portPriv)
-{
- KdXVWindowPtr winPriv, PrivRoot;
-
- winPriv = PrivRoot = GET_KDXV_WINDOW(pWin);
-
- /* Enlist our port in the window private */
- while(winPriv) {
- if(winPriv->PortRec == portPriv) /* we're already listed */
- break;
- winPriv = winPriv->next;
- }
-
- if(!winPriv) {
- winPriv = malloc(sizeof(KdXVWindowRec));
- if(!winPriv) return BadAlloc;
- winPriv->PortRec = portPriv;
- winPriv->next = PrivRoot;
- dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, winPriv);
- }
- return Success;
-}
-
-
-static void
-KdXVRemovePortFromWindow(WindowPtr pWin, XvPortRecPrivatePtr portPriv)
-{
- KdXVWindowPtr winPriv, prevPriv = NULL;
-
- winPriv = GET_KDXV_WINDOW(pWin);
-
- while(winPriv) {
- if(winPriv->PortRec == portPriv) {
- if(prevPriv)
- prevPriv->next = winPriv->next;
- else
- dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, winPriv->next);
- free(winPriv);
- break;
- }
- prevPriv = winPriv;
- winPriv = winPriv->next;
- }
- portPriv->pDraw = NULL;
-}
-
-/**** ScreenRec fields ****/
-
-
-static Bool
-KdXVCreateWindow(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen);
- int ret;
-
- pScreen->CreateWindow = ScreenPriv->CreateWindow;
- ret = (*pScreen->CreateWindow)(pWin);
- pScreen->CreateWindow = KdXVCreateWindow;
-
- if (ret)
- dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, NULL);
-
- return ret;
-}
-
-
-static Bool
-KdXVDestroyWindow(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen);
- KdXVWindowPtr tmp, WinPriv = GET_KDXV_WINDOW(pWin);
- int ret;
-
- while(WinPriv) {
- XvPortRecPrivatePtr pPriv = WinPriv->PortRec;
-
- if(pPriv->isOn > XV_OFF) {
- (*pPriv->AdaptorRec->StopVideo)(
- pPriv->screen, pPriv->DevPriv.ptr, TRUE);
- pPriv->isOn = XV_OFF;
- }
-
- pPriv->pDraw = NULL;
- tmp = WinPriv;
- WinPriv = WinPriv->next;
- free(tmp);
- }
-
- dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, NULL);
-
- pScreen->DestroyWindow = ScreenPriv->DestroyWindow;
- ret = (*pScreen->DestroyWindow)(pWin);
- pScreen->DestroyWindow = KdXVDestroyWindow;
-
- return ret;
-}
-
-
-static void
-KdXVWindowExposures(WindowPtr pWin, RegionPtr reg1, RegionPtr reg2)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen);
- KdXVWindowPtr WinPriv = GET_KDXV_WINDOW(pWin);
- KdXVWindowPtr pPrev;
- XvPortRecPrivatePtr pPriv;
- Bool AreasExposed;
-
- AreasExposed = (WinPriv && reg1 && RegionNotEmpty(reg1));
-
- pScreen->WindowExposures = ScreenPriv->WindowExposures;
- (*pScreen->WindowExposures)(pWin, reg1, reg2);
- pScreen->WindowExposures = KdXVWindowExposures;
-
- /* filter out XClearWindow/Area */
- if (!pWin->valdata) return;
-
- pPrev = NULL;
-
- while(WinPriv) {
- pPriv = WinPriv->PortRec;
-
- /* Reput anyone with a reput function */
-
- switch(pPriv->type) {
- case XvInputMask:
- KdXVReputVideo(pPriv);
- break;
- case XvOutputMask:
- KdXVRegetVideo(pPriv);
- break;
- default: /* overlaid still/image*/
- if (pPriv->AdaptorRec->ReputImage)
- KdXVReputImage(pPriv);
- else if(AreasExposed) {
- KdXVWindowPtr tmp;
-
- if (pPriv->isOn == XV_ON) {
- (*pPriv->AdaptorRec->StopVideo)(
- pPriv->screen, pPriv->DevPriv.ptr, FALSE);
- pPriv->isOn = XV_PENDING;
- }
- pPriv->pDraw = NULL;
-
- if(!pPrev)
- dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, WinPriv->next);
- else
- pPrev->next = WinPriv->next;
- tmp = WinPriv;
- WinPriv = WinPriv->next;
- free(tmp);
- continue;
- }
- break;
- }
- pPrev = WinPriv;
- WinPriv = WinPriv->next;
- }
-}
-
-
-static void
-KdXVClipNotify(WindowPtr pWin, int dx, int dy)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen);
- KdXVWindowPtr WinPriv = GET_KDXV_WINDOW(pWin);
- KdXVWindowPtr tmp, pPrev = NULL;
- XvPortRecPrivatePtr pPriv;
- Bool visible = (pWin->visibility == VisibilityUnobscured) ||
- (pWin->visibility == VisibilityPartiallyObscured);
-
- while(WinPriv) {
- pPriv = WinPriv->PortRec;
-
- if(pPriv->pCompositeClip && pPriv->FreeCompositeClip)
- RegionDestroy(pPriv->pCompositeClip);
-
- pPriv->pCompositeClip = NULL;
-
- /* Stop everything except images, but stop them too if the
- window isn't visible. But we only remove the images. */
-
- if(pPriv->type || !visible) {
- if(pPriv->isOn == XV_ON) {
- (*pPriv->AdaptorRec->StopVideo)(
- pPriv->screen, pPriv->DevPriv.ptr, FALSE);
- pPriv->isOn = XV_PENDING;
- }
-
- if(!pPriv->type) { /* overlaid still/image */
- pPriv->pDraw = NULL;
-
- if(!pPrev)
- dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, WinPriv->next);
- else
- pPrev->next = WinPriv->next;
- tmp = WinPriv;
- WinPriv = WinPriv->next;
- free(tmp);
- continue;
- }
- }
-
- pPrev = WinPriv;
- WinPriv = WinPriv->next;
- }
-
- if(ScreenPriv->ClipNotify) {
- pScreen->ClipNotify = ScreenPriv->ClipNotify;
- (*pScreen->ClipNotify)(pWin, dx, dy);
- pScreen->ClipNotify = KdXVClipNotify;
- }
-}
-
-
-
-/**** Required XvScreenRec fields ****/
-
-static Bool
-KdXVCloseScreen(int i, ScreenPtr pScreen)
-{
- XvScreenPtr pxvs = GET_XV_SCREEN(pScreen);
- KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen);
- XvAdaptorPtr pa;
- int c;
-
- if(!ScreenPriv) return TRUE;
-
- pScreen->CreateWindow = ScreenPriv->CreateWindow;
- pScreen->DestroyWindow = ScreenPriv->DestroyWindow;
- pScreen->WindowExposures = ScreenPriv->WindowExposures;
- pScreen->ClipNotify = ScreenPriv->ClipNotify;
-
-/* fprintf(stderr,"XV: Unwrapping screen funcs\n"); */
-
- for(c = 0, pa = pxvs->pAdaptors; c < pxvs->nAdaptors; c++, pa++) {
- KdXVFreeAdaptor(pa);
- }
-
- free(pxvs->pAdaptors);
- free(ScreenPriv);
-
- return TRUE;
-}
-
-
-static int
-KdXVQueryAdaptors(
- ScreenPtr pScreen,
- XvAdaptorPtr *p_pAdaptors,
- int *p_nAdaptors
-){
- XvScreenPtr pxvs = GET_XV_SCREEN(pScreen);
-
- *p_nAdaptors = pxvs->nAdaptors;
- *p_pAdaptors = pxvs->pAdaptors;
-
- return Success;
-}
-
-static Bool
-KdXVRunning (ScreenPtr pScreen)
-{
- return (KdXVGeneration == serverGeneration &&
- GET_XV_SCREEN(pScreen) != 0);
-}
-
-Bool
-KdXVEnable(ScreenPtr pScreen)
-{
- if (!KdXVRunning (pScreen))
- return TRUE;
-
- WalkTree(pScreen, KdXVReputAllVideo, 0);
-
- return TRUE;
-}
-
-void
-KdXVDisable(ScreenPtr pScreen)
-{
- XvScreenPtr pxvs;
- KdXVScreenPtr ScreenPriv;
- XvAdaptorPtr pAdaptor;
- XvPortPtr pPort;
- XvPortRecPrivatePtr pPriv;
- int i, j;
-
- if (!KdXVRunning (pScreen))
- return;
-
- pxvs = GET_XV_SCREEN(pScreen);
- ScreenPriv = GET_KDXV_SCREEN(pScreen);
-
- for(i = 0; i < pxvs->nAdaptors; i++) {
- pAdaptor = &pxvs->pAdaptors[i];
- for(j = 0; j < pAdaptor->nPorts; j++) {
- pPort = &pAdaptor->pPorts[j];
- pPriv = (XvPortRecPrivatePtr)pPort->devPriv.ptr;
- if(pPriv->isOn > XV_OFF) {
-
- (*pPriv->AdaptorRec->StopVideo)(
- pPriv->screen, pPriv->DevPriv.ptr, TRUE);
- pPriv->isOn = XV_OFF;
-
- if(pPriv->pCompositeClip && pPriv->FreeCompositeClip)
- RegionDestroy(pPriv->pCompositeClip);
-
- pPriv->pCompositeClip = NULL;
-
- if(!pPriv->type && pPriv->pDraw) { /* still */
- KdXVRemovePortFromWindow((WindowPtr)pPriv->pDraw, pPriv);
- }
- }
- }
- }
-}
-
-/**** XvAdaptorRec fields ****/
-
-static int
-KdXVAllocatePort(
- unsigned long port,
- XvPortPtr pPort,
- XvPortPtr *ppPort
-){
- *ppPort = pPort;
- return Success;
-}
-
-static int
-KdXVFreePort(XvPortPtr pPort)
-{
- return Success;
-}
-
-static int
-KdXVPutVideo(
- ClientPtr client,
- DrawablePtr pDraw,
- XvPortPtr pPort,
- GCPtr pGC,
- INT16 vid_x, INT16 vid_y,
- CARD16 vid_w, CARD16 vid_h,
- INT16 drw_x, INT16 drw_y,
- CARD16 drw_w, CARD16 drw_h
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
- KdScreenPriv(portPriv->screen->pScreen);
- int result;
-
- /* No dumping video to pixmaps... For now anyhow */
- if(pDraw->type != DRAWABLE_WINDOW) {
- pPort->pDraw = (DrawablePtr)NULL;
- return BadAlloc;
- }
-
- /* If we are changing windows, unregister our port in the old window */
- if(portPriv->pDraw && (portPriv->pDraw != pDraw))
- KdXVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv);
-
- /* Register our port with the new window */
- result = KdXVEnlistPortInWindow((WindowPtr)pDraw, portPriv);
- if(result != Success) return result;
-
- portPriv->pDraw = pDraw;
- portPriv->type = XvInputMask;
-
- /* save a copy of these parameters */
- portPriv->vid_x = vid_x; portPriv->vid_y = vid_y;
- portPriv->vid_w = vid_w; portPriv->vid_h = vid_h;
- portPriv->drw_x = drw_x; portPriv->drw_y = drw_y;
- portPriv->drw_w = drw_w; portPriv->drw_h = drw_h;
-
- /* make sure we have the most recent copy of the clientClip */
- KdXVCopyClip(portPriv, pGC);
-
- /* To indicate to the DI layer that we were successful */
- pPort->pDraw = pDraw;
-
- if (!pScreenPriv->enabled) return Success;
-
- return(KdXVReputVideo(portPriv));
-}
-
-static int
-KdXVPutStill(
- ClientPtr client,
- DrawablePtr pDraw,
- XvPortPtr pPort,
- GCPtr pGC,
- INT16 vid_x, INT16 vid_y,
- CARD16 vid_w, CARD16 vid_h,
- INT16 drw_x, INT16 drw_y,
- CARD16 drw_w, CARD16 drw_h
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
- ScreenPtr pScreen = pDraw->pScreen;
- KdScreenPriv(pScreen);
- KdScreenInfo *screen=pScreenPriv->screen;
- RegionRec WinRegion;
- RegionRec ClipRegion;
- BoxRec WinBox;
- int ret = Success;
- Bool clippedAway = FALSE;
-
- if (pDraw->type != DRAWABLE_WINDOW)
- return BadAlloc;
-
- if (!pScreenPriv->enabled) return Success;
-
- WinBox.x1 = pDraw->x + drw_x;
- WinBox.y1 = pDraw->y + drw_y;
- WinBox.x2 = WinBox.x1 + drw_w;
- WinBox.y2 = WinBox.y1 + drw_h;
-
- RegionInit(&WinRegion, &WinBox, 1);
- RegionInit(&ClipRegion, NullBox, 1);
- RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip);
-
- if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) {
- RegionRec VPReg;
- BoxRec VPBox;
-
- VPBox.x1 = 0;
- VPBox.y1 = 0;
- VPBox.x2 = screen->width;
- VPBox.y2 = screen->height;
-
- RegionInit(&VPReg, &VPBox, 1);
- RegionIntersect(&ClipRegion, &ClipRegion, &VPReg);
- RegionUninit(&VPReg);
- }
-
- if(portPriv->pDraw) {
- KdXVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv);
- }
-
- if(!RegionNotEmpty(&ClipRegion)) {
- clippedAway = TRUE;
- goto PUT_STILL_BAILOUT;
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) {
- BoxPtr clipBox = RegionRects(&ClipRegion);
- if( (RegionNumRects(&ClipRegion) != 1) ||
- (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) ||
- (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2))
- {
- clippedAway = TRUE;
- goto PUT_STILL_BAILOUT;
- }
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) {
- RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion);
- }
-
- ret = (*portPriv->AdaptorRec->PutStill)(portPriv->screen, pDraw,
- vid_x, vid_y, WinBox.x1, WinBox.y1,
- vid_w, vid_h, drw_w, drw_h,
- &ClipRegion, portPriv->DevPriv.ptr);
-
- if((ret == Success) &&
- (portPriv->AdaptorRec->flags & VIDEO_OVERLAID_STILLS)) {
-
- KdXVEnlistPortInWindow((WindowPtr)pDraw, portPriv);
- portPriv->isOn = XV_ON;
- portPriv->pDraw = pDraw;
- portPriv->drw_x = drw_x; portPriv->drw_y = drw_y;
- portPriv->drw_w = drw_w; portPriv->drw_h = drw_h;
- portPriv->type = 0; /* no mask means it's transient and should
- not be reput once it's removed */
- pPort->pDraw = pDraw; /* make sure we can get stop requests */
- }
-
-PUT_STILL_BAILOUT:
-
- if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, FALSE);
- portPriv->isOn = XV_PENDING;
- }
-
- RegionUninit(&WinRegion);
- RegionUninit(&ClipRegion);
-
- return ret;
-}
-
-static int
-KdXVGetVideo(
- ClientPtr client,
- DrawablePtr pDraw,
- XvPortPtr pPort,
- GCPtr pGC,
- INT16 vid_x, INT16 vid_y,
- CARD16 vid_w, CARD16 vid_h,
- INT16 drw_x, INT16 drw_y,
- CARD16 drw_w, CARD16 drw_h
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
- int result;
- KdScreenPriv(portPriv->screen->pScreen);
-
- /* No pixmaps... For now anyhow */
- if(pDraw->type != DRAWABLE_WINDOW) {
- pPort->pDraw = (DrawablePtr)NULL;
- return BadAlloc;
- }
-
- /* If we are changing windows, unregister our port in the old window */
- if(portPriv->pDraw && (portPriv->pDraw != pDraw))
- KdXVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv);
-
- /* Register our port with the new window */
- result = KdXVEnlistPortInWindow((WindowPtr)pDraw, portPriv);
- if(result != Success) return result;
-
- portPriv->pDraw = pDraw;
- portPriv->type = XvOutputMask;
-
- /* save a copy of these parameters */
- portPriv->vid_x = vid_x; portPriv->vid_y = vid_y;
- portPriv->vid_w = vid_w; portPriv->vid_h = vid_h;
- portPriv->drw_x = drw_x; portPriv->drw_y = drw_y;
- portPriv->drw_w = drw_w; portPriv->drw_h = drw_h;
-
- /* make sure we have the most recent copy of the clientClip */
- KdXVCopyClip(portPriv, pGC);
-
- /* To indicate to the DI layer that we were successful */
- pPort->pDraw = pDraw;
-
- if(!pScreenPriv->enabled) return Success;
-
- return(KdXVRegetVideo(portPriv));
-}
-
-static int
-KdXVGetStill(
- ClientPtr client,
- DrawablePtr pDraw,
- XvPortPtr pPort,
- GCPtr pGC,
- INT16 vid_x, INT16 vid_y,
- CARD16 vid_w, CARD16 vid_h,
- INT16 drw_x, INT16 drw_y,
- CARD16 drw_w, CARD16 drw_h
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
- ScreenPtr pScreen = pDraw->pScreen;
- KdScreenPriv(pScreen);
- RegionRec WinRegion;
- RegionRec ClipRegion;
- BoxRec WinBox;
- int ret = Success;
- Bool clippedAway = FALSE;
-
- if (pDraw->type != DRAWABLE_WINDOW)
- return BadAlloc;
-
- if(!pScreenPriv->enabled) return Success;
-
- WinBox.x1 = pDraw->x + drw_x;
- WinBox.y1 = pDraw->y + drw_y;
- WinBox.x2 = WinBox.x1 + drw_w;
- WinBox.y2 = WinBox.y1 + drw_h;
-
- RegionInit(&WinRegion, &WinBox, 1);
- RegionInit(&ClipRegion, NullBox, 1);
- RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip);
-
- if(portPriv->pDraw) {
- KdXVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv);
- }
-
- if(!RegionNotEmpty(&ClipRegion)) {
- clippedAway = TRUE;
- goto GET_STILL_BAILOUT;
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) {
- RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion);
- }
-
- ret = (*portPriv->AdaptorRec->GetStill)(portPriv->screen, pDraw,
- vid_x, vid_y, WinBox.x1, WinBox.y1,
- vid_w, vid_h, drw_w, drw_h,
- &ClipRegion, portPriv->DevPriv.ptr);
-
-GET_STILL_BAILOUT:
-
- if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, FALSE);
- portPriv->isOn = XV_PENDING;
- }
-
- RegionUninit(&WinRegion);
- RegionUninit(&ClipRegion);
-
- return ret;
-}
-
-
-
-static int
-KdXVStopVideo(
- ClientPtr client,
- XvPortPtr pPort,
- DrawablePtr pDraw
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
- KdScreenPriv(portPriv->screen->pScreen);
-
- if(pDraw->type != DRAWABLE_WINDOW)
- return BadAlloc;
-
- KdXVRemovePortFromWindow((WindowPtr)pDraw, portPriv);
-
- if(!pScreenPriv->enabled) return Success;
-
- /* Must free resources. */
-
- if(portPriv->isOn > XV_OFF) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, TRUE);
- portPriv->isOn = XV_OFF;
- }
-
- return Success;
-}
-
-static int
-KdXVSetPortAttribute(
- ClientPtr client,
- XvPortPtr pPort,
- Atom attribute,
- INT32 value
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
-
- return((*portPriv->AdaptorRec->SetPortAttribute)(portPriv->screen,
- attribute, value, portPriv->DevPriv.ptr));
-}
-
-
-static int
-KdXVGetPortAttribute(
- ClientPtr client,
- XvPortPtr pPort,
- Atom attribute,
- INT32 *p_value
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
-
- return((*portPriv->AdaptorRec->GetPortAttribute)(portPriv->screen,
- attribute, (int *) p_value, portPriv->DevPriv.ptr));
-}
-
-
-
-static int
-KdXVQueryBestSize(
- ClientPtr client,
- XvPortPtr pPort,
- CARD8 motion,
- CARD16 vid_w, CARD16 vid_h,
- CARD16 drw_w, CARD16 drw_h,
- unsigned int *p_w, unsigned int *p_h
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
-
- (*portPriv->AdaptorRec->QueryBestSize)(portPriv->screen,
- (Bool)motion, vid_w, vid_h, drw_w, drw_h,
- p_w, p_h, portPriv->DevPriv.ptr);
-
- return Success;
-}
-
-
-static int
-KdXVPutImage(
- ClientPtr client,
- DrawablePtr pDraw,
- XvPortPtr pPort,
- GCPtr pGC,
- INT16 src_x, INT16 src_y,
- CARD16 src_w, CARD16 src_h,
- INT16 drw_x, INT16 drw_y,
- CARD16 drw_w, CARD16 drw_h,
- XvImagePtr format,
- unsigned char* data,
- Bool sync,
- CARD16 width, CARD16 height
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
- ScreenPtr pScreen = pDraw->pScreen;
- KdScreenPriv(pScreen);
- RegionRec WinRegion;
- RegionRec ClipRegion;
- BoxRec WinBox;
- int ret = Success;
- Bool clippedAway = FALSE;
-
- if (pDraw->type != DRAWABLE_WINDOW)
- return BadAlloc;
-
- if(!pScreenPriv->enabled) return Success;
-
- WinBox.x1 = pDraw->x + drw_x;
- WinBox.y1 = pDraw->y + drw_y;
- WinBox.x2 = WinBox.x1 + drw_w;
- WinBox.y2 = WinBox.y1 + drw_h;
-
- RegionInit(&WinRegion, &WinBox, 1);
- RegionInit(&ClipRegion, NullBox, 1);
- RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip);
-
- if(portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) {
- RegionRec VPReg;
- BoxRec VPBox;
-
- VPBox.x1 = 0;
- VPBox.y1 = 0;
- VPBox.x2 = pScreen->width;
- VPBox.y2 = pScreen->height;
-
- RegionInit(&VPReg, &VPBox, 1);
- RegionIntersect(&ClipRegion, &ClipRegion, &VPReg);
- RegionUninit(&VPReg);
- }
-
- if(portPriv->pDraw) {
- KdXVRemovePortFromWindow((WindowPtr)(portPriv->pDraw), portPriv);
- }
-
- if(!RegionNotEmpty(&ClipRegion)) {
- clippedAway = TRUE;
- goto PUT_IMAGE_BAILOUT;
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) {
- BoxPtr clipBox = RegionRects(&ClipRegion);
- if( (RegionNumRects(&ClipRegion) != 1) ||
- (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) ||
- (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2))
- {
- clippedAway = TRUE;
- goto PUT_IMAGE_BAILOUT;
- }
- }
-
- if(portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) {
- RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion);
- }
-
- ret = (*portPriv->AdaptorRec->PutImage)(portPriv->screen, pDraw,
- src_x, src_y, WinBox.x1, WinBox.y1,
- src_w, src_h, drw_w, drw_h, format->id, data, width, height,
- sync, &ClipRegion, portPriv->DevPriv.ptr);
-
- if((ret == Success) &&
- (portPriv->AdaptorRec->flags & VIDEO_OVERLAID_IMAGES)) {
-
- KdXVEnlistPortInWindow((WindowPtr)pDraw, portPriv);
- portPriv->isOn = XV_ON;
- portPriv->pDraw = pDraw;
- portPriv->drw_x = drw_x; portPriv->drw_y = drw_y;
- portPriv->drw_w = drw_w; portPriv->drw_h = drw_h;
- portPriv->type = 0; /* no mask means it's transient and should
- not be reput once it's removed */
- pPort->pDraw = pDraw; /* make sure we can get stop requests */
- }
-
-PUT_IMAGE_BAILOUT:
-
- if((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) {
- (*portPriv->AdaptorRec->StopVideo)(
- portPriv->screen, portPriv->DevPriv.ptr, FALSE);
- portPriv->isOn = XV_PENDING;
- }
-
- RegionUninit(&WinRegion);
- RegionUninit(&ClipRegion);
-
- return ret;
-}
-
-
-static int
-KdXVQueryImageAttributes(
- ClientPtr client,
- XvPortPtr pPort,
- XvImagePtr format,
- CARD16 *width,
- CARD16 *height,
- int *pitches,
- int *offsets
-){
- XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);
-
- return (*portPriv->AdaptorRec->QueryImageAttributes)(portPriv->screen,
- format->id, width, height, pitches, offsets);
-}
-
-
-/**************** Common video manipulation functions *******************/
-
-void
-KdXVCopyPackedData(KdScreenInfo *screen, CARD8 *src, CARD8 *dst, int randr,
- int srcPitch, int dstPitch, int srcW, int srcH, int top, int left,
- int h, int w)
-{
- int srcDown = srcPitch, srcRight = 2, srcNext;
- int p;
-
- switch (randr & RR_Rotate_All) {
- case RR_Rotate_0:
- srcDown = srcPitch;
- srcRight = 2;
- break;
- case RR_Rotate_90:
- src += (srcH - 1) * 2;
- srcDown = -2;
- srcRight = srcPitch;
- break;
- case RR_Rotate_180:
- src += srcPitch * (srcH - 1) + (srcW - 1) * 2;
- srcDown = -srcPitch;
- srcRight = -2;
- break;
- case RR_Rotate_270:
- src += srcPitch * (srcW - 1);
- srcDown = 2;
- srcRight = -srcPitch;
- break;
- }
-
- src = src + top * srcDown + left * srcRight;
-
- w >>= 1;
- /* srcRight >>= 1; */
- srcNext = srcRight >> 1;
- while (h--) {
- CARD16 *s = (CARD16 *)src;
- CARD32 *d = (CARD32 *)dst;
- p = w;
- while (p--) {
- *d++ = s[0] | (s[srcNext] << 16);
- s += srcRight;
- }
- src += srcPitch;
- dst += dstPitch;
- }
-}
-
-void
-KdXVCopyPlanarData(KdScreenInfo *screen, CARD8 *src, CARD8 *dst, int randr,
- int srcPitch, int srcPitch2, int dstPitch, int srcW, int srcH, int height,
- int top, int left, int h, int w, int id)
-{
- int i, j;
- CARD8 *src1, *src2, *src3, *dst1;
- int srcDown = srcPitch, srcDown2 = srcPitch2;
- int srcRight = 2, srcRight2 = 1, srcNext = 1;
-
- /* compute source data pointers */
- src1 = src;
- src2 = src1 + height * srcPitch;
- src3 = src2 + (height >> 1) * srcPitch2;
- switch (randr & RR_Rotate_All) {
- case RR_Rotate_0:
- srcDown = srcPitch;
- srcDown2 = srcPitch2;
- srcRight = 2;
- srcRight2 = 1;
- srcNext = 1;
- break;
- case RR_Rotate_90:
- src1 = src1 + srcH - 1;
- src2 = src2 + (srcH >> 1) - 1;
- src3 = src3 + (srcH >> 1) - 1;
- srcDown = -1;
- srcDown2 = -1;
- srcRight = srcPitch * 2;
- srcRight2 = srcPitch2;
- srcNext = srcPitch;
- break;
- case RR_Rotate_180:
- src1 = src1 + srcPitch * (srcH - 1) + (srcW - 1);
- src2 = src2 + srcPitch2 * ((srcH >> 1) - 1) + ((srcW >> 1) - 1);
- src3 = src3 + srcPitch2 * ((srcH >> 1) - 1) + ((srcW >> 1) - 1);
- srcDown = -srcPitch;
- srcDown2 = -srcPitch2;
- srcRight = -2;
- srcRight2 = -1;
- srcNext = -1;
- break;
- case RR_Rotate_270:
- src1 = src1 + srcPitch * (srcW - 1);
- src2 = src2 + srcPitch2 * ((srcW >> 1) - 1);
- src3 = src3 + srcPitch2 * ((srcW >> 1) - 1);
- srcDown = 1;
- srcDown2 = 1;
- srcRight = -srcPitch * 2;
- srcRight2 = -srcPitch2;
- srcNext = -srcPitch;
- break;
- }
-
- /* adjust for origin */
- src1 += top * srcDown + left * srcNext;
- src2 += (top >> 1) * srcDown2 + (left >> 1) * srcRight2;
- src3 += (top >> 1) * srcDown2 + (left >> 1) * srcRight2;
-
- if (id == FOURCC_I420) {
- CARD8 *srct = src2;
- src2 = src3;
- src3 = srct;
- }
-
- dst1 = dst;
-
- w >>= 1;
- for (j = 0; j < h; j++) {
- CARD32 *dst = (CARD32 *)dst1;
- CARD8 *s1l = src1;
- CARD8 *s1r = src1 + srcNext;
- CARD8 *s2 = src2;
- CARD8 *s3 = src3;
-
- for (i = 0; i < w; i++) {
- *dst++ = *s1l | (*s1r << 16) | (*s3 << 8) | (*s2 << 24);
- s1l += srcRight;
- s1r += srcRight;
- s2 += srcRight2;
- s3 += srcRight2;
- }
- src1 += srcDown;
- dst1 += dstPitch;
- if (j & 1) {
- src2 += srcDown2;
- src3 += srcDown2;
- }
- }
-}
-
-void
-KXVPaintRegion (DrawablePtr pDraw, RegionPtr pRgn, Pixel fg)
-{
- GCPtr pGC;
- ChangeGCVal val[2];
- xRectangle *rects, *r;
- BoxPtr pBox = RegionRects (pRgn);
- int nBox = RegionNumRects (pRgn);
-
- rects = malloc(nBox * sizeof (xRectangle));
- if (!rects)
- goto bail0;
- r = rects;
- while (nBox--)
- {
- r->x = pBox->x1 - pDraw->x;
- r->y = pBox->y1 - pDraw->y;
- r->width = pBox->x2 - pBox->x1;
- r->height = pBox->y2 - pBox->y1;
- r++;
- pBox++;
- }
-
- pGC = GetScratchGC (pDraw->depth, pDraw->pScreen);
- if (!pGC)
- goto bail1;
-
- val[0].val = fg;
- val[1].val = IncludeInferiors;
- ChangeGC (NullClient, pGC, GCForeground|GCSubwindowMode, val);
-
- ValidateGC (pDraw, pGC);
-
- (*pGC->ops->PolyFillRect) (pDraw, pGC,
- RegionNumRects (pRgn), rects);
-
- FreeScratchGC (pGC);
-bail1:
- free(rects);
-bail0:
- ;
-}
+/* + + XFree86 Xv DDX written by Mark Vojkovich (markv@valinux.com) + Adapted for KDrive by Pontus Lidman <pontus.lidman@nokia.com> + + Copyright (C) 2000, 2001 - Nokia Home Communications + Copyright (C) 1998, 1999 - The XFree86 Project Inc. + +All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, and/or sell copies of the Software, and to permit persons +to whom the Software is furnished to do so, provided that the above +copyright notice(s) and this permission notice appear in all copies of +the Software and that both the above copyright notice(s) and this +permission notice appear in supporting documentation. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT +OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY +SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER +RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF +CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN +CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +Except as contained in this notice, the name of a copyright holder +shall not be used in advertising or otherwise to promote the sale, use +or other dealings in this Software without prior written authorization +of the copyright holder. + +*/ + +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif +#include "kdrive.h" + +#include "scrnintstr.h" +#include "regionstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "mivalidate.h" +#include "validate.h" +#include "resource.h" +#include "gcstruct.h" +#include "dixstruct.h" + +#include <X11/extensions/Xv.h> +#include <X11/extensions/Xvproto.h> + +#include "kxv.h" +#include "fourcc.h" + +/* XvScreenRec fields */ + +static Bool KdXVCloseScreen(int, ScreenPtr); +static int KdXVQueryAdaptors(ScreenPtr, XvAdaptorPtr *, int *); + +/* XvAdaptorRec fields */ + +static int KdXVAllocatePort(unsigned long, XvPortPtr, XvPortPtr *); +static int KdXVFreePort(XvPortPtr); +static int KdXVPutVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int KdXVPutStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int KdXVGetVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int KdXVGetStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +static int KdXVStopVideo(ClientPtr, XvPortPtr, DrawablePtr); +static int KdXVSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32); +static int KdXVGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32 *); +static int KdXVQueryBestSize(ClientPtr, XvPortPtr, CARD8, + CARD16, CARD16, CARD16, CARD16, + unsigned int *, unsigned int *); +static int KdXVPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16, + XvImagePtr, unsigned char *, Bool, CARD16, CARD16); +static int KdXVQueryImageAttributes(ClientPtr, XvPortPtr, XvImagePtr, + CARD16 *, CARD16 *, int *, int *); + +/* ScreenRec fields */ + +static Bool KdXVCreateWindow(WindowPtr pWin); +static Bool KdXVDestroyWindow(WindowPtr pWin); +static void KdXVWindowExposures(WindowPtr pWin, RegionPtr r1, RegionPtr r2); +static void KdXVClipNotify(WindowPtr pWin, int dx, int dy); + +/* misc */ +static Bool KdXVInitAdaptors(ScreenPtr, KdVideoAdaptorPtr *, int); + +static DevPrivateKeyRec KdXVWindowKeyRec; + +#define KdXVWindowKey (&KdXVWindowKeyRec) +static DevPrivateKey KdXvScreenKey; +static unsigned long KdXVGeneration = 0; +static unsigned long PortResource = 0; + +DevPrivateKey (*XvGetScreenKeyProc) (void) = XvGetScreenKey; +unsigned long (*XvGetRTPortProc) (void) = XvGetRTPort; +int (*XvScreenInitProc) (ScreenPtr) = XvScreenInit; + +#define GET_XV_SCREEN(pScreen) ((XvScreenPtr) \ + dixLookupPrivate(&(pScreen)->devPrivates, KdXvScreenKey)) + +#define GET_KDXV_SCREEN(pScreen) \ + ((KdXVScreenPtr)(GET_XV_SCREEN(pScreen)->devPriv.ptr)) + +#define GET_KDXV_WINDOW(pWin) ((KdXVWindowPtr) \ + dixLookupPrivate(&(pWin)->devPrivates, KdXVWindowKey)) + +static KdXVInitGenericAdaptorPtr *GenDrivers = NULL; +static int NumGenDrivers = 0; + +int +KdXVRegisterGenericAdaptorDriver(KdXVInitGenericAdaptorPtr InitFunc) +{ + KdXVInitGenericAdaptorPtr *newdrivers; + +/* fprintf(stderr,"KdXVRegisterGenericAdaptorDriver\n"); */ + + newdrivers = realloc(GenDrivers, sizeof(KdXVInitGenericAdaptorPtr) * + (1 + NumGenDrivers)); + if (!newdrivers) + return 0; + GenDrivers = newdrivers; + + GenDrivers[NumGenDrivers++] = InitFunc; + + return 1; +} + +int +KdXVListGenericAdaptors(KdScreenInfo * screen, KdVideoAdaptorPtr ** adaptors) +{ + int i, j, n, num; + KdVideoAdaptorPtr *DrivAdap, *new; + + num = 0; + *adaptors = NULL; + for (i = 0; i < NumGenDrivers; i++) { + n = GenDrivers[i] (screen, &DrivAdap); + if (0 == n) + continue; + new = realloc(*adaptors, sizeof(KdVideoAdaptorPtr) * (num + n)); + if (NULL == new) + continue; + *adaptors = new; + for (j = 0; j < n; j++, num++) + (*adaptors)[num] = DrivAdap[j]; + } + return num; +} + +KdVideoAdaptorPtr +KdXVAllocateVideoAdaptorRec(KdScreenInfo * screen) +{ + return calloc(1, sizeof(KdVideoAdaptorRec)); +} + +void +KdXVFreeVideoAdaptorRec(KdVideoAdaptorPtr ptr) +{ + free(ptr); +} + +Bool +KdXVScreenInit(ScreenPtr pScreen, KdVideoAdaptorPtr * adaptors, int num) +{ + KdXVScreenPtr ScreenPriv; + XvScreenPtr pxvs; + +/* fprintf(stderr,"KdXVScreenInit initializing %d adaptors\n",num); */ + + if (KdXVGeneration != serverGeneration) + KdXVGeneration = serverGeneration; + + if (!XvGetScreenKeyProc || !XvGetRTPortProc || !XvScreenInitProc) + return FALSE; + + if (!dixRegisterPrivateKey(&KdXVWindowKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + if (Success != (*XvScreenInitProc) (pScreen)) + return FALSE; + + KdXvScreenKey = (*XvGetScreenKeyProc) (); + PortResource = (*XvGetRTPortProc) (); + + pxvs = GET_XV_SCREEN(pScreen); + + /* Anyone initializing the Xv layer must provide these two. + The Xv di layer calls them without even checking if they exist! */ + + pxvs->ddCloseScreen = KdXVCloseScreen; + pxvs->ddQueryAdaptors = KdXVQueryAdaptors; + + /* The Xv di layer provides us with a private hook so that we don't + have to allocate our own screen private. They also provide + a CloseScreen hook so that we don't have to wrap it. I'm not + sure that I appreciate that. */ + + ScreenPriv = malloc(sizeof(KdXVScreenRec)); + pxvs->devPriv.ptr = (pointer) ScreenPriv; + + if (!ScreenPriv) + return FALSE; + + ScreenPriv->CreateWindow = pScreen->CreateWindow; + ScreenPriv->DestroyWindow = pScreen->DestroyWindow; + ScreenPriv->WindowExposures = pScreen->WindowExposures; + ScreenPriv->ClipNotify = pScreen->ClipNotify; + +/* fprintf(stderr,"XV: Wrapping screen funcs\n"); */ + + pScreen->CreateWindow = KdXVCreateWindow; + pScreen->DestroyWindow = KdXVDestroyWindow; + pScreen->WindowExposures = KdXVWindowExposures; + pScreen->ClipNotify = KdXVClipNotify; + + if (!KdXVInitAdaptors(pScreen, adaptors, num)) + return FALSE; + + return TRUE; +} + +static void +KdXVFreeAdaptor(XvAdaptorPtr pAdaptor) +{ + int i; + + free(pAdaptor->name); + + if (pAdaptor->pEncodings) { + XvEncodingPtr pEncode = pAdaptor->pEncodings; + + for (i = 0; i < pAdaptor->nEncodings; i++, pEncode++) { + free(pEncode->name); + } + free(pAdaptor->pEncodings); + } + + free(pAdaptor->pFormats); + + if (pAdaptor->pPorts) { + XvPortPtr pPort = pAdaptor->pPorts; + XvPortRecPrivatePtr pPriv; + + for (i = 0; i < pAdaptor->nPorts; i++, pPort++) { + pPriv = (XvPortRecPrivatePtr) pPort->devPriv.ptr; + if (pPriv) { + if (pPriv->clientClip) + RegionDestroy(pPriv->clientClip); + if (pPriv->pCompositeClip && pPriv->FreeCompositeClip) + RegionDestroy(pPriv->pCompositeClip); + free(pPriv); + } + } + free(pAdaptor->pPorts); + } + + if (pAdaptor->nAttributes) { + XvAttributePtr pAttribute = pAdaptor->pAttributes; + + for (i = 0; i < pAdaptor->nAttributes; i++, pAttribute++) { + free(pAttribute->name); + } + + free(pAdaptor->pAttributes); + } + + free(pAdaptor->pImages); + + free(pAdaptor->devPriv.ptr); +} + +static Bool +KdXVInitAdaptors(ScreenPtr pScreen, KdVideoAdaptorPtr * infoPtr, int number) +{ + KdScreenPriv(pScreen); + KdScreenInfo *screen = pScreenPriv->screen; + + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + KdVideoAdaptorPtr adaptorPtr; + XvAdaptorPtr pAdaptor, pa; + XvAdaptorRecPrivatePtr adaptorPriv; + int na, numAdaptor; + XvPortRecPrivatePtr portPriv; + XvPortPtr pPort, pp; + int numPort; + KdAttributePtr attributePtr; + XvAttributePtr pAttribute, pat; + KdVideoFormatPtr formatPtr; + XvFormatPtr pFormat, pf; + int numFormat, totFormat; + KdVideoEncodingPtr encodingPtr; + XvEncodingPtr pEncode, pe; + KdImagePtr imagePtr; + XvImagePtr pImage, pi; + int numVisuals; + VisualPtr pVisual; + int i; + + pxvs->nAdaptors = 0; + pxvs->pAdaptors = NULL; + + if (!(pAdaptor = calloc(number, sizeof(XvAdaptorRec)))) + return FALSE; + + for (pa = pAdaptor, na = 0, numAdaptor = 0; na < number; na++, adaptorPtr++) { + adaptorPtr = infoPtr[na]; + + if (!adaptorPtr->StopVideo || !adaptorPtr->SetPortAttribute || + !adaptorPtr->GetPortAttribute || !adaptorPtr->QueryBestSize) + continue; + + /* client libs expect at least one encoding */ + if (!adaptorPtr->nEncodings || !adaptorPtr->pEncodings) + continue; + + pa->type = adaptorPtr->type; + + if (!adaptorPtr->PutVideo && !adaptorPtr->GetVideo) + pa->type &= ~XvVideoMask; + + if (!adaptorPtr->PutStill && !adaptorPtr->GetStill) + pa->type &= ~XvStillMask; + + if (!adaptorPtr->PutImage || !adaptorPtr->QueryImageAttributes) + pa->type &= ~XvImageMask; + + if (!adaptorPtr->PutVideo && !adaptorPtr->PutImage && + !adaptorPtr->PutStill) + pa->type &= ~XvInputMask; + + if (!adaptorPtr->GetVideo && !adaptorPtr->GetStill) + pa->type &= ~XvOutputMask; + + if (!(adaptorPtr->type & (XvPixmapMask | XvWindowMask))) + continue; + if (!(adaptorPtr->type & (XvImageMask | XvVideoMask | XvStillMask))) + continue; + + pa->pScreen = pScreen; + pa->ddAllocatePort = KdXVAllocatePort; + pa->ddFreePort = KdXVFreePort; + pa->ddPutVideo = KdXVPutVideo; + pa->ddPutStill = KdXVPutStill; + pa->ddGetVideo = KdXVGetVideo; + pa->ddGetStill = KdXVGetStill; + pa->ddStopVideo = KdXVStopVideo; + pa->ddPutImage = KdXVPutImage; + pa->ddSetPortAttribute = KdXVSetPortAttribute; + pa->ddGetPortAttribute = KdXVGetPortAttribute; + pa->ddQueryBestSize = KdXVQueryBestSize; + pa->ddQueryImageAttributes = KdXVQueryImageAttributes; + pa->name = strdup(adaptorPtr->name); + + if (adaptorPtr->nEncodings && + (pEncode = calloc(adaptorPtr->nEncodings, sizeof(XvEncodingRec)))) { + + for (pe = pEncode, encodingPtr = adaptorPtr->pEncodings, i = 0; + i < adaptorPtr->nEncodings; pe++, i++, encodingPtr++) { + pe->id = encodingPtr->id; + pe->pScreen = pScreen; + pe->name = strdup(encodingPtr->name); + pe->width = encodingPtr->width; + pe->height = encodingPtr->height; + pe->rate.numerator = encodingPtr->rate.numerator; + pe->rate.denominator = encodingPtr->rate.denominator; + } + pa->nEncodings = adaptorPtr->nEncodings; + pa->pEncodings = pEncode; + } + + if (adaptorPtr->nImages && + (pImage = calloc(adaptorPtr->nImages, sizeof(XvImageRec)))) { + + for (i = 0, pi = pImage, imagePtr = adaptorPtr->pImages; + i < adaptorPtr->nImages; i++, pi++, imagePtr++) { + pi->id = imagePtr->id; + pi->type = imagePtr->type; + pi->byte_order = imagePtr->byte_order; + memcpy(pi->guid, imagePtr->guid, 16); + pi->bits_per_pixel = imagePtr->bits_per_pixel; + pi->format = imagePtr->format; + pi->num_planes = imagePtr->num_planes; + pi->depth = imagePtr->depth; + pi->red_mask = imagePtr->red_mask; + pi->green_mask = imagePtr->green_mask; + pi->blue_mask = imagePtr->blue_mask; + pi->y_sample_bits = imagePtr->y_sample_bits; + pi->u_sample_bits = imagePtr->u_sample_bits; + pi->v_sample_bits = imagePtr->v_sample_bits; + pi->horz_y_period = imagePtr->horz_y_period; + pi->horz_u_period = imagePtr->horz_u_period; + pi->horz_v_period = imagePtr->horz_v_period; + pi->vert_y_period = imagePtr->vert_y_period; + pi->vert_u_period = imagePtr->vert_u_period; + pi->vert_v_period = imagePtr->vert_v_period; + memcpy(pi->component_order, imagePtr->component_order, 32); + pi->scanline_order = imagePtr->scanline_order; + } + pa->nImages = adaptorPtr->nImages; + pa->pImages = pImage; + } + + if (adaptorPtr->nAttributes && + (pAttribute = + calloc(adaptorPtr->nAttributes, sizeof(XvAttributeRec)))) { + for (pat = pAttribute, attributePtr = adaptorPtr->pAttributes, i = + 0; i < adaptorPtr->nAttributes; pat++, i++, attributePtr++) { + pat->flags = attributePtr->flags; + pat->min_value = attributePtr->min_value; + pat->max_value = attributePtr->max_value; + pat->name = strdup(attributePtr->name); + } + pa->nAttributes = adaptorPtr->nAttributes; + pa->pAttributes = pAttribute; + } + + totFormat = adaptorPtr->nFormats; + + if (!(pFormat = calloc(totFormat, sizeof(XvFormatRec)))) { + KdXVFreeAdaptor(pa); + continue; + } + for (pf = pFormat, i = 0, numFormat = 0, formatPtr = + adaptorPtr->pFormats; i < adaptorPtr->nFormats; i++, formatPtr++) { + numVisuals = pScreen->numVisuals; + pVisual = pScreen->visuals; + + while (numVisuals--) { + if ((pVisual->class == formatPtr->class) && + (pVisual->nplanes == formatPtr->depth)) { + + if (numFormat >= totFormat) { + void *moreSpace; + + totFormat *= 2; + moreSpace = realloc(pFormat, + totFormat * sizeof(XvFormatRec)); + if (!moreSpace) + break; + pFormat = moreSpace; + pf = pFormat + numFormat; + } + + pf->visual = pVisual->vid; + pf->depth = formatPtr->depth; + + pf++; + numFormat++; + } + pVisual++; + } + } + pa->nFormats = numFormat; + pa->pFormats = pFormat; + if (!numFormat) { + KdXVFreeAdaptor(pa); + continue; + } + + if (!(adaptorPriv = calloc(1, sizeof(XvAdaptorRecPrivate)))) { + KdXVFreeAdaptor(pa); + continue; + } + + adaptorPriv->flags = adaptorPtr->flags; + adaptorPriv->PutVideo = adaptorPtr->PutVideo; + adaptorPriv->PutStill = adaptorPtr->PutStill; + adaptorPriv->GetVideo = adaptorPtr->GetVideo; + adaptorPriv->GetStill = adaptorPtr->GetStill; + adaptorPriv->StopVideo = adaptorPtr->StopVideo; + adaptorPriv->SetPortAttribute = adaptorPtr->SetPortAttribute; + adaptorPriv->GetPortAttribute = adaptorPtr->GetPortAttribute; + adaptorPriv->QueryBestSize = adaptorPtr->QueryBestSize; + adaptorPriv->QueryImageAttributes = adaptorPtr->QueryImageAttributes; + adaptorPriv->PutImage = adaptorPtr->PutImage; + adaptorPriv->ReputImage = adaptorPtr->ReputImage; + + pa->devPriv.ptr = (pointer) adaptorPriv; + + if (!(pPort = calloc(adaptorPtr->nPorts, sizeof(XvPortRec)))) { + KdXVFreeAdaptor(pa); + continue; + } + for (pp = pPort, i = 0, numPort = 0; i < adaptorPtr->nPorts; i++) { + + if (!(pp->id = FakeClientID(0))) + continue; + + if (!(portPriv = calloc(1, sizeof(XvPortRecPrivate)))) + continue; + + if (!AddResource(pp->id, PortResource, pp)) { + free(portPriv); + continue; + } + + pp->pAdaptor = pa; + pp->pNotify = (XvPortNotifyPtr) NULL; + pp->pDraw = (DrawablePtr) NULL; + pp->client = (ClientPtr) NULL; + pp->grab.client = (ClientPtr) NULL; + pp->time = currentTime; + pp->devPriv.ptr = portPriv; + + portPriv->screen = screen; + portPriv->AdaptorRec = adaptorPriv; + portPriv->DevPriv.ptr = adaptorPtr->pPortPrivates[i].ptr; + + pp++; + numPort++; + } + pa->nPorts = numPort; + pa->pPorts = pPort; + if (!numPort) { + KdXVFreeAdaptor(pa); + continue; + } + + pa->base_id = pPort->id; + + pa++; + numAdaptor++; + } + + if (numAdaptor) { + pxvs->nAdaptors = numAdaptor; + pxvs->pAdaptors = pAdaptor; + } + else { + free(pAdaptor); + return FALSE; + } + + return TRUE; +} + +/* Video should be clipped to the intersection of the window cliplist + and the client cliplist specified in the GC for which the video was + initialized. When we need to reclip a window, the GC that started + the video may not even be around anymore. That's why we save the + client clip from the GC when the video is initialized. We then + use KdXVUpdateCompositeClip to calculate the new composite clip + when we need it. This is different from what DEC did. They saved + the GC and used it's clip list when they needed to reclip the window, + even if the client clip was different from the one the video was + initialized with. If the original GC was destroyed, they had to stop + the video. I like the new method better (MArk). + + This function only works for windows. Will need to rewrite when + (if) we support pixmap rendering. +*/ + +static void +KdXVUpdateCompositeClip(XvPortRecPrivatePtr portPriv) +{ + RegionPtr pregWin, pCompositeClip; + WindowPtr pWin; + Bool freeCompClip = FALSE; + + if (portPriv->pCompositeClip) + return; + + pWin = (WindowPtr) portPriv->pDraw; + + /* get window clip list */ + if (portPriv->subWindowMode == IncludeInferiors) { + pregWin = NotClippedByChildren(pWin); + freeCompClip = TRUE; + } + else + pregWin = &pWin->clipList; + + if (!portPriv->clientClip) { + portPriv->pCompositeClip = pregWin; + portPriv->FreeCompositeClip = freeCompClip; + return; + } + + pCompositeClip = RegionCreate(NullBox, 1); + RegionCopy(pCompositeClip, portPriv->clientClip); + RegionTranslate(pCompositeClip, + portPriv->pDraw->x + portPriv->clipOrg.x, + portPriv->pDraw->y + portPriv->clipOrg.y); + RegionIntersect(pCompositeClip, pregWin, pCompositeClip); + + portPriv->pCompositeClip = pCompositeClip; + portPriv->FreeCompositeClip = TRUE; + + if (freeCompClip) { + RegionDestroy(pregWin); + } +} + +/* Save the current clientClip and update the CompositeClip whenever + we have a fresh GC */ + +static void +KdXVCopyClip(XvPortRecPrivatePtr portPriv, GCPtr pGC) +{ + /* copy the new clip if it exists */ + if ((pGC->clientClipType == CT_REGION) && pGC->clientClip) { + if (!portPriv->clientClip) + portPriv->clientClip = RegionCreate(NullBox, 1); + /* Note: this is in window coordinates */ + RegionCopy(portPriv->clientClip, pGC->clientClip); + } + else if (portPriv->clientClip) { /* free the old clientClip */ + RegionDestroy(portPriv->clientClip); + portPriv->clientClip = NULL; + } + + /* get rid of the old clip list */ + if (portPriv->pCompositeClip && portPriv->FreeCompositeClip) { + RegionDestroy(portPriv->pCompositeClip); + } + + portPriv->clipOrg = pGC->clipOrg; + portPriv->pCompositeClip = pGC->pCompositeClip; + portPriv->FreeCompositeClip = FALSE; + portPriv->subWindowMode = pGC->subWindowMode; +} + +static int +KdXVRegetVideo(XvPortRecPrivatePtr portPriv) +{ + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + KdXVUpdateCompositeClip(portPriv); + + /* translate the video region to the screen */ + WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x; + WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y; + WinBox.x2 = WinBox.x1 + portPriv->drw_w; + WinBox.y2 = WinBox.y1 + portPriv->drw_h; + + /* clip to the window composite clip */ + RegionInit(&WinRegion, &WinBox, 1); + RegionInit(&ClipRegion, NullBox, 1); + RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip); + + /* that's all if it's totally obscured */ + if (!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + + if (portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->GetVideo) (portPriv->screen, portPriv->pDraw, + portPriv->vid_x, portPriv->vid_y, + WinBox.x1, WinBox.y1, + portPriv->vid_w, portPriv->vid_h, + portPriv->drw_w, portPriv->drw_h, + &ClipRegion, + portPriv->DevPriv.ptr); + + if (ret == Success) + portPriv->isOn = XV_ON; + + CLIP_VIDEO_BAILOUT: + + if ((clippedAway || (ret != Success)) && portPriv->isOn == XV_ON) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if (!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +KdXVReputVideo(XvPortRecPrivatePtr portPriv) +{ + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + ScreenPtr pScreen = portPriv->pDraw->pScreen; + + KdScreenPriv(pScreen); + KdScreenInfo *screen = pScreenPriv->screen; + int ret = Success; + Bool clippedAway = FALSE; + + KdXVUpdateCompositeClip(portPriv); + + /* translate the video region to the screen */ + WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x; + WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y; + WinBox.x2 = WinBox.x1 + portPriv->drw_w; + WinBox.y2 = WinBox.y1 + portPriv->drw_h; + + /* clip to the window composite clip */ + RegionInit(&WinRegion, &WinBox, 1); + RegionInit(&ClipRegion, NullBox, 1); + RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip); + + /* clip and translate to the viewport */ + if (portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = 0; + VPBox.y1 = 0; + VPBox.x2 = screen->width; + VPBox.y2 = screen->height; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + /* that's all if it's totally obscured */ + if (!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + + /* bailout if we have to clip but the hardware doesn't support it */ + if (portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + + if ((RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + } + + if (portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->PutVideo) (portPriv->screen, portPriv->pDraw, + portPriv->vid_x, portPriv->vid_y, + WinBox.x1, WinBox.y1, + portPriv->vid_w, portPriv->vid_h, + portPriv->drw_w, portPriv->drw_h, + &ClipRegion, + portPriv->DevPriv.ptr); + + if (ret == Success) + portPriv->isOn = XV_ON; + + CLIP_VIDEO_BAILOUT: + + if ((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if (!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +KdXVReputImage(XvPortRecPrivatePtr portPriv) +{ + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + ScreenPtr pScreen = portPriv->pDraw->pScreen; + + KdScreenPriv(pScreen); + KdScreenInfo *screen = pScreenPriv->screen; + int ret = Success; + Bool clippedAway = FALSE; + + KdXVUpdateCompositeClip(portPriv); + + /* translate the video region to the screen */ + WinBox.x1 = portPriv->pDraw->x + portPriv->drw_x; + WinBox.y1 = portPriv->pDraw->y + portPriv->drw_y; + WinBox.x2 = WinBox.x1 + portPriv->drw_w; + WinBox.y2 = WinBox.y1 + portPriv->drw_h; + + /* clip to the window composite clip */ + RegionInit(&WinRegion, &WinBox, 1); + RegionInit(&ClipRegion, NullBox, 1); + RegionIntersect(&ClipRegion, &WinRegion, portPriv->pCompositeClip); + + /* clip and translate to the viewport */ + if (portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = 0; + VPBox.y1 = 0; + VPBox.x2 = screen->width; + VPBox.y2 = screen->height; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + /* that's all if it's totally obscured */ + if (!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + + /* bailout if we have to clip but the hardware doesn't support it */ + if (portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + + if ((RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) { + clippedAway = TRUE; + goto CLIP_VIDEO_BAILOUT; + } + } + + if (portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = + (*portPriv->AdaptorRec->ReputImage) (portPriv->screen, portPriv->pDraw, + WinBox.x1, WinBox.y1, &ClipRegion, + portPriv->DevPriv.ptr); + + portPriv->isOn = (ret == Success) ? XV_ON : XV_OFF; + + CLIP_VIDEO_BAILOUT: + + if ((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + /* This clip was copied and only good for one shot */ + if (!portPriv->FreeCompositeClip) + portPriv->pCompositeClip = NULL; + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +KdXVReputAllVideo(WindowPtr pWin, pointer data) +{ + KdXVWindowPtr WinPriv; + + if (pWin->drawable.type != DRAWABLE_WINDOW) + return WT_DONTWALKCHILDREN; + + WinPriv = GET_KDXV_WINDOW(pWin); + + while (WinPriv) { + if (WinPriv->PortRec->type == XvInputMask) + KdXVReputVideo(WinPriv->PortRec); + else + KdXVRegetVideo(WinPriv->PortRec); + WinPriv = WinPriv->next; + } + + return WT_WALKCHILDREN; +} + +static int +KdXVEnlistPortInWindow(WindowPtr pWin, XvPortRecPrivatePtr portPriv) +{ + KdXVWindowPtr winPriv, PrivRoot; + + winPriv = PrivRoot = GET_KDXV_WINDOW(pWin); + + /* Enlist our port in the window private */ + while (winPriv) { + if (winPriv->PortRec == portPriv) /* we're already listed */ + break; + winPriv = winPriv->next; + } + + if (!winPriv) { + winPriv = malloc(sizeof(KdXVWindowRec)); + if (!winPriv) + return BadAlloc; + winPriv->PortRec = portPriv; + winPriv->next = PrivRoot; + dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, winPriv); + } + return Success; +} + +static void +KdXVRemovePortFromWindow(WindowPtr pWin, XvPortRecPrivatePtr portPriv) +{ + KdXVWindowPtr winPriv, prevPriv = NULL; + + winPriv = GET_KDXV_WINDOW(pWin); + + while (winPriv) { + if (winPriv->PortRec == portPriv) { + if (prevPriv) + prevPriv->next = winPriv->next; + else + dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, winPriv->next); + free(winPriv); + break; + } + prevPriv = winPriv; + winPriv = winPriv->next; + } + portPriv->pDraw = NULL; +} + +/**** ScreenRec fields ****/ + +static Bool +KdXVCreateWindow(WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen); + int ret; + + pScreen->CreateWindow = ScreenPriv->CreateWindow; + ret = (*pScreen->CreateWindow) (pWin); + pScreen->CreateWindow = KdXVCreateWindow; + + if (ret) + dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, NULL); + + return ret; +} + +static Bool +KdXVDestroyWindow(WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen); + KdXVWindowPtr tmp, WinPriv = GET_KDXV_WINDOW(pWin); + int ret; + + while (WinPriv) { + XvPortRecPrivatePtr pPriv = WinPriv->PortRec; + + if (pPriv->isOn > XV_OFF) { + (*pPriv->AdaptorRec->StopVideo) (pPriv->screen, pPriv->DevPriv.ptr, + TRUE); + pPriv->isOn = XV_OFF; + } + + pPriv->pDraw = NULL; + tmp = WinPriv; + WinPriv = WinPriv->next; + free(tmp); + } + + dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, NULL); + + pScreen->DestroyWindow = ScreenPriv->DestroyWindow; + ret = (*pScreen->DestroyWindow) (pWin); + pScreen->DestroyWindow = KdXVDestroyWindow; + + return ret; +} + +static void +KdXVWindowExposures(WindowPtr pWin, RegionPtr reg1, RegionPtr reg2) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen); + KdXVWindowPtr WinPriv = GET_KDXV_WINDOW(pWin); + KdXVWindowPtr pPrev; + XvPortRecPrivatePtr pPriv; + Bool AreasExposed; + + AreasExposed = (WinPriv && reg1 && RegionNotEmpty(reg1)); + + pScreen->WindowExposures = ScreenPriv->WindowExposures; + (*pScreen->WindowExposures) (pWin, reg1, reg2); + pScreen->WindowExposures = KdXVWindowExposures; + + /* filter out XClearWindow/Area */ + if (!pWin->valdata) + return; + + pPrev = NULL; + + while (WinPriv) { + pPriv = WinPriv->PortRec; + + /* Reput anyone with a reput function */ + + switch (pPriv->type) { + case XvInputMask: + KdXVReputVideo(pPriv); + break; + case XvOutputMask: + KdXVRegetVideo(pPriv); + break; + default: /* overlaid still/image */ + if (pPriv->AdaptorRec->ReputImage) + KdXVReputImage(pPriv); + else if (AreasExposed) { + KdXVWindowPtr tmp; + + if (pPriv->isOn == XV_ON) { + (*pPriv->AdaptorRec->StopVideo) (pPriv->screen, + pPriv->DevPriv.ptr, FALSE); + pPriv->isOn = XV_PENDING; + } + pPriv->pDraw = NULL; + + if (!pPrev) + dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, + WinPriv->next); + else + pPrev->next = WinPriv->next; + tmp = WinPriv; + WinPriv = WinPriv->next; + free(tmp); + continue; + } + break; + } + pPrev = WinPriv; + WinPriv = WinPriv->next; + } +} + +static void +KdXVClipNotify(WindowPtr pWin, int dx, int dy) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen); + KdXVWindowPtr WinPriv = GET_KDXV_WINDOW(pWin); + KdXVWindowPtr tmp, pPrev = NULL; + XvPortRecPrivatePtr pPriv; + Bool visible = (pWin->visibility == VisibilityUnobscured) || + (pWin->visibility == VisibilityPartiallyObscured); + + while (WinPriv) { + pPriv = WinPriv->PortRec; + + if (pPriv->pCompositeClip && pPriv->FreeCompositeClip) + RegionDestroy(pPriv->pCompositeClip); + + pPriv->pCompositeClip = NULL; + + /* Stop everything except images, but stop them too if the + window isn't visible. But we only remove the images. */ + + if (pPriv->type || !visible) { + if (pPriv->isOn == XV_ON) { + (*pPriv->AdaptorRec->StopVideo) (pPriv->screen, + pPriv->DevPriv.ptr, FALSE); + pPriv->isOn = XV_PENDING; + } + + if (!pPriv->type) { /* overlaid still/image */ + pPriv->pDraw = NULL; + + if (!pPrev) + dixSetPrivate(&pWin->devPrivates, KdXVWindowKey, + WinPriv->next); + else + pPrev->next = WinPriv->next; + tmp = WinPriv; + WinPriv = WinPriv->next; + free(tmp); + continue; + } + } + + pPrev = WinPriv; + WinPriv = WinPriv->next; + } + + if (ScreenPriv->ClipNotify) { + pScreen->ClipNotify = ScreenPriv->ClipNotify; + (*pScreen->ClipNotify) (pWin, dx, dy); + pScreen->ClipNotify = KdXVClipNotify; + } +} + +/**** Required XvScreenRec fields ****/ + +static Bool +KdXVCloseScreen(int i, ScreenPtr pScreen) +{ + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + KdXVScreenPtr ScreenPriv = GET_KDXV_SCREEN(pScreen); + XvAdaptorPtr pa; + int c; + + if (!ScreenPriv) + return TRUE; + + pScreen->CreateWindow = ScreenPriv->CreateWindow; + pScreen->DestroyWindow = ScreenPriv->DestroyWindow; + pScreen->WindowExposures = ScreenPriv->WindowExposures; + pScreen->ClipNotify = ScreenPriv->ClipNotify; + +/* fprintf(stderr,"XV: Unwrapping screen funcs\n"); */ + + for (c = 0, pa = pxvs->pAdaptors; c < pxvs->nAdaptors; c++, pa++) { + KdXVFreeAdaptor(pa); + } + + free(pxvs->pAdaptors); + free(ScreenPriv); + + return TRUE; +} + +static int +KdXVQueryAdaptors(ScreenPtr pScreen, + XvAdaptorPtr * p_pAdaptors, int *p_nAdaptors) +{ + XvScreenPtr pxvs = GET_XV_SCREEN(pScreen); + + *p_nAdaptors = pxvs->nAdaptors; + *p_pAdaptors = pxvs->pAdaptors; + + return Success; +} + +static Bool +KdXVRunning(ScreenPtr pScreen) +{ + return (KdXVGeneration == serverGeneration && GET_XV_SCREEN(pScreen) != 0); +} + +Bool +KdXVEnable(ScreenPtr pScreen) +{ + if (!KdXVRunning(pScreen)) + return TRUE; + + WalkTree(pScreen, KdXVReputAllVideo, 0); + + return TRUE; +} + +void +KdXVDisable(ScreenPtr pScreen) +{ + XvScreenPtr pxvs; + KdXVScreenPtr ScreenPriv; + XvAdaptorPtr pAdaptor; + XvPortPtr pPort; + XvPortRecPrivatePtr pPriv; + int i, j; + + if (!KdXVRunning(pScreen)) + return; + + pxvs = GET_XV_SCREEN(pScreen); + ScreenPriv = GET_KDXV_SCREEN(pScreen); + + for (i = 0; i < pxvs->nAdaptors; i++) { + pAdaptor = &pxvs->pAdaptors[i]; + for (j = 0; j < pAdaptor->nPorts; j++) { + pPort = &pAdaptor->pPorts[j]; + pPriv = (XvPortRecPrivatePtr) pPort->devPriv.ptr; + if (pPriv->isOn > XV_OFF) { + + (*pPriv->AdaptorRec->StopVideo) (pPriv->screen, + pPriv->DevPriv.ptr, TRUE); + pPriv->isOn = XV_OFF; + + if (pPriv->pCompositeClip && pPriv->FreeCompositeClip) + RegionDestroy(pPriv->pCompositeClip); + + pPriv->pCompositeClip = NULL; + + if (!pPriv->type && pPriv->pDraw) { /* still */ + KdXVRemovePortFromWindow((WindowPtr) pPriv->pDraw, pPriv); + } + } + } + } +} + +/**** XvAdaptorRec fields ****/ + +static int +KdXVAllocatePort(unsigned long port, XvPortPtr pPort, XvPortPtr * ppPort) +{ + *ppPort = pPort; + return Success; +} + +static int +KdXVFreePort(XvPortPtr pPort) +{ + return Success; +} + +static int +KdXVPutVideo(ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + + KdScreenPriv(portPriv->screen->pScreen); + int result; + + /* No dumping video to pixmaps... For now anyhow */ + if (pDraw->type != DRAWABLE_WINDOW) { + pPort->pDraw = (DrawablePtr) NULL; + return BadAlloc; + } + + /* If we are changing windows, unregister our port in the old window */ + if (portPriv->pDraw && (portPriv->pDraw != pDraw)) + KdXVRemovePortFromWindow((WindowPtr) (portPriv->pDraw), portPriv); + + /* Register our port with the new window */ + result = KdXVEnlistPortInWindow((WindowPtr) pDraw, portPriv); + if (result != Success) + return result; + + portPriv->pDraw = pDraw; + portPriv->type = XvInputMask; + + /* save a copy of these parameters */ + portPriv->vid_x = vid_x; + portPriv->vid_y = vid_y; + portPriv->vid_w = vid_w; + portPriv->vid_h = vid_h; + portPriv->drw_x = drw_x; + portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; + portPriv->drw_h = drw_h; + + /* make sure we have the most recent copy of the clientClip */ + KdXVCopyClip(portPriv, pGC); + + /* To indicate to the DI layer that we were successful */ + pPort->pDraw = pDraw; + + if (!pScreenPriv->enabled) + return Success; + + return (KdXVReputVideo(portPriv)); +} + +static int +KdXVPutStill(ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + ScreenPtr pScreen = pDraw->pScreen; + + KdScreenPriv(pScreen); + KdScreenInfo *screen = pScreenPriv->screen; + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + if (!pScreenPriv->enabled) + return Success; + + WinBox.x1 = pDraw->x + drw_x; + WinBox.y1 = pDraw->y + drw_y; + WinBox.x2 = WinBox.x1 + drw_w; + WinBox.y2 = WinBox.y1 + drw_h; + + RegionInit(&WinRegion, &WinBox, 1); + RegionInit(&ClipRegion, NullBox, 1); + RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip); + + if (portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = 0; + VPBox.y1 = 0; + VPBox.x2 = screen->width; + VPBox.y2 = screen->height; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + if (portPriv->pDraw) { + KdXVRemovePortFromWindow((WindowPtr) (portPriv->pDraw), portPriv); + } + + if (!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto PUT_STILL_BAILOUT; + } + + if (portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + + if ((RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) { + clippedAway = TRUE; + goto PUT_STILL_BAILOUT; + } + } + + if (portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->PutStill) (portPriv->screen, pDraw, + vid_x, vid_y, WinBox.x1, WinBox.y1, + vid_w, vid_h, drw_w, drw_h, + &ClipRegion, + portPriv->DevPriv.ptr); + + if ((ret == Success) && + (portPriv->AdaptorRec->flags & VIDEO_OVERLAID_STILLS)) { + + KdXVEnlistPortInWindow((WindowPtr) pDraw, portPriv); + portPriv->isOn = XV_ON; + portPriv->pDraw = pDraw; + portPriv->drw_x = drw_x; + portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; + portPriv->drw_h = drw_h; + portPriv->type = 0; /* no mask means it's transient and should + not be reput once it's removed */ + pPort->pDraw = pDraw; /* make sure we can get stop requests */ + } + + PUT_STILL_BAILOUT: + + if ((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +KdXVGetVideo(ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + int result; + + KdScreenPriv(portPriv->screen->pScreen); + + /* No pixmaps... For now anyhow */ + if (pDraw->type != DRAWABLE_WINDOW) { + pPort->pDraw = (DrawablePtr) NULL; + return BadAlloc; + } + + /* If we are changing windows, unregister our port in the old window */ + if (portPriv->pDraw && (portPriv->pDraw != pDraw)) + KdXVRemovePortFromWindow((WindowPtr) (portPriv->pDraw), portPriv); + + /* Register our port with the new window */ + result = KdXVEnlistPortInWindow((WindowPtr) pDraw, portPriv); + if (result != Success) + return result; + + portPriv->pDraw = pDraw; + portPriv->type = XvOutputMask; + + /* save a copy of these parameters */ + portPriv->vid_x = vid_x; + portPriv->vid_y = vid_y; + portPriv->vid_w = vid_w; + portPriv->vid_h = vid_h; + portPriv->drw_x = drw_x; + portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; + portPriv->drw_h = drw_h; + + /* make sure we have the most recent copy of the clientClip */ + KdXVCopyClip(portPriv, pGC); + + /* To indicate to the DI layer that we were successful */ + pPort->pDraw = pDraw; + + if (!pScreenPriv->enabled) + return Success; + + return (KdXVRegetVideo(portPriv)); +} + +static int +KdXVGetStill(ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + ScreenPtr pScreen = pDraw->pScreen; + + KdScreenPriv(pScreen); + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + if (!pScreenPriv->enabled) + return Success; + + WinBox.x1 = pDraw->x + drw_x; + WinBox.y1 = pDraw->y + drw_y; + WinBox.x2 = WinBox.x1 + drw_w; + WinBox.y2 = WinBox.y1 + drw_h; + + RegionInit(&WinRegion, &WinBox, 1); + RegionInit(&ClipRegion, NullBox, 1); + RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip); + + if (portPriv->pDraw) { + KdXVRemovePortFromWindow((WindowPtr) (portPriv->pDraw), portPriv); + } + + if (!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto GET_STILL_BAILOUT; + } + + if (portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->GetStill) (portPriv->screen, pDraw, + vid_x, vid_y, WinBox.x1, WinBox.y1, + vid_w, vid_h, drw_w, drw_h, + &ClipRegion, + portPriv->DevPriv.ptr); + + GET_STILL_BAILOUT: + + if ((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +KdXVStopVideo(ClientPtr client, XvPortPtr pPort, DrawablePtr pDraw) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + + KdScreenPriv(portPriv->screen->pScreen); + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + KdXVRemovePortFromWindow((WindowPtr) pDraw, portPriv); + + if (!pScreenPriv->enabled) + return Success; + + /* Must free resources. */ + + if (portPriv->isOn > XV_OFF) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, TRUE); + portPriv->isOn = XV_OFF; + } + + return Success; +} + +static int +KdXVSetPortAttribute(ClientPtr client, + XvPortPtr pPort, Atom attribute, INT32 value) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + + return ((*portPriv->AdaptorRec->SetPortAttribute) (portPriv->screen, + attribute, value, + portPriv->DevPriv.ptr)); +} + +static int +KdXVGetPortAttribute(ClientPtr client, + XvPortPtr pPort, Atom attribute, INT32 *p_value) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + + return ((*portPriv->AdaptorRec->GetPortAttribute) (portPriv->screen, + attribute, + (int *) p_value, + portPriv->DevPriv.ptr)); +} + +static int +KdXVQueryBestSize(ClientPtr client, + XvPortPtr pPort, + CARD8 motion, + CARD16 vid_w, CARD16 vid_h, + CARD16 drw_w, CARD16 drw_h, + unsigned int *p_w, unsigned int *p_h) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + + (*portPriv->AdaptorRec->QueryBestSize) (portPriv->screen, + (Bool) motion, vid_w, vid_h, drw_w, + drw_h, p_w, p_h, + portPriv->DevPriv.ptr); + + return Success; +} + +static int +KdXVPutImage(ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 src_x, INT16 src_y, + CARD16 src_w, CARD16 src_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h, + XvImagePtr format, + unsigned char *data, Bool sync, CARD16 width, CARD16 height) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + ScreenPtr pScreen = pDraw->pScreen; + + KdScreenPriv(pScreen); + RegionRec WinRegion; + RegionRec ClipRegion; + BoxRec WinBox; + int ret = Success; + Bool clippedAway = FALSE; + + if (pDraw->type != DRAWABLE_WINDOW) + return BadAlloc; + + if (!pScreenPriv->enabled) + return Success; + + WinBox.x1 = pDraw->x + drw_x; + WinBox.y1 = pDraw->y + drw_y; + WinBox.x2 = WinBox.x1 + drw_w; + WinBox.y2 = WinBox.y1 + drw_h; + + RegionInit(&WinRegion, &WinBox, 1); + RegionInit(&ClipRegion, NullBox, 1); + RegionIntersect(&ClipRegion, &WinRegion, pGC->pCompositeClip); + + if (portPriv->AdaptorRec->flags & VIDEO_CLIP_TO_VIEWPORT) { + RegionRec VPReg; + BoxRec VPBox; + + VPBox.x1 = 0; + VPBox.y1 = 0; + VPBox.x2 = pScreen->width; + VPBox.y2 = pScreen->height; + + RegionInit(&VPReg, &VPBox, 1); + RegionIntersect(&ClipRegion, &ClipRegion, &VPReg); + RegionUninit(&VPReg); + } + + if (portPriv->pDraw) { + KdXVRemovePortFromWindow((WindowPtr) (portPriv->pDraw), portPriv); + } + + if (!RegionNotEmpty(&ClipRegion)) { + clippedAway = TRUE; + goto PUT_IMAGE_BAILOUT; + } + + if (portPriv->AdaptorRec->flags & VIDEO_NO_CLIPPING) { + BoxPtr clipBox = RegionRects(&ClipRegion); + + if ((RegionNumRects(&ClipRegion) != 1) || + (clipBox->x1 != WinBox.x1) || (clipBox->x2 != WinBox.x2) || + (clipBox->y1 != WinBox.y1) || (clipBox->y2 != WinBox.y2)) { + clippedAway = TRUE; + goto PUT_IMAGE_BAILOUT; + } + } + + if (portPriv->AdaptorRec->flags & VIDEO_INVERT_CLIPLIST) { + RegionSubtract(&ClipRegion, &WinRegion, &ClipRegion); + } + + ret = (*portPriv->AdaptorRec->PutImage) (portPriv->screen, pDraw, + src_x, src_y, WinBox.x1, WinBox.y1, + src_w, src_h, drw_w, drw_h, + format->id, data, width, height, + sync, &ClipRegion, + portPriv->DevPriv.ptr); + + if ((ret == Success) && + (portPriv->AdaptorRec->flags & VIDEO_OVERLAID_IMAGES)) { + + KdXVEnlistPortInWindow((WindowPtr) pDraw, portPriv); + portPriv->isOn = XV_ON; + portPriv->pDraw = pDraw; + portPriv->drw_x = drw_x; + portPriv->drw_y = drw_y; + portPriv->drw_w = drw_w; + portPriv->drw_h = drw_h; + portPriv->type = 0; /* no mask means it's transient and should + not be reput once it's removed */ + pPort->pDraw = pDraw; /* make sure we can get stop requests */ + } + + PUT_IMAGE_BAILOUT: + + if ((clippedAway || (ret != Success)) && (portPriv->isOn == XV_ON)) { + (*portPriv->AdaptorRec->StopVideo) (portPriv->screen, + portPriv->DevPriv.ptr, FALSE); + portPriv->isOn = XV_PENDING; + } + + RegionUninit(&WinRegion); + RegionUninit(&ClipRegion); + + return ret; +} + +static int +KdXVQueryImageAttributes(ClientPtr client, + XvPortPtr pPort, + XvImagePtr format, + CARD16 *width, + CARD16 *height, int *pitches, int *offsets) +{ + XvPortRecPrivatePtr portPriv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr); + + return (*portPriv->AdaptorRec->QueryImageAttributes) (portPriv->screen, + format->id, width, + height, pitches, + offsets); +} + +/**************** Common video manipulation functions *******************/ + +void +KdXVCopyPackedData(KdScreenInfo * screen, CARD8 *src, CARD8 *dst, int randr, + int srcPitch, int dstPitch, int srcW, int srcH, int top, + int left, int h, int w) +{ + int srcDown = srcPitch, srcRight = 2, srcNext; + int p; + + switch (randr & RR_Rotate_All) { + case RR_Rotate_0: + srcDown = srcPitch; + srcRight = 2; + break; + case RR_Rotate_90: + src += (srcH - 1) * 2; + srcDown = -2; + srcRight = srcPitch; + break; + case RR_Rotate_180: + src += srcPitch * (srcH - 1) + (srcW - 1) * 2; + srcDown = -srcPitch; + srcRight = -2; + break; + case RR_Rotate_270: + src += srcPitch * (srcW - 1); + srcDown = 2; + srcRight = -srcPitch; + break; + } + + src = src + top * srcDown + left * srcRight; + + w >>= 1; + /* srcRight >>= 1; */ + srcNext = srcRight >> 1; + while (h--) { + CARD16 *s = (CARD16 *) src; + CARD32 *d = (CARD32 *) dst; + + p = w; + while (p--) { + *d++ = s[0] | (s[srcNext] << 16); + s += srcRight; + } + src += srcPitch; + dst += dstPitch; + } +} + +void +KdXVCopyPlanarData(KdScreenInfo * screen, CARD8 *src, CARD8 *dst, int randr, + int srcPitch, int srcPitch2, int dstPitch, int srcW, + int srcH, int height, int top, int left, int h, int w, + int id) +{ + int i, j; + CARD8 *src1, *src2, *src3, *dst1; + int srcDown = srcPitch, srcDown2 = srcPitch2; + int srcRight = 2, srcRight2 = 1, srcNext = 1; + + /* compute source data pointers */ + src1 = src; + src2 = src1 + height * srcPitch; + src3 = src2 + (height >> 1) * srcPitch2; + switch (randr & RR_Rotate_All) { + case RR_Rotate_0: + srcDown = srcPitch; + srcDown2 = srcPitch2; + srcRight = 2; + srcRight2 = 1; + srcNext = 1; + break; + case RR_Rotate_90: + src1 = src1 + srcH - 1; + src2 = src2 + (srcH >> 1) - 1; + src3 = src3 + (srcH >> 1) - 1; + srcDown = -1; + srcDown2 = -1; + srcRight = srcPitch * 2; + srcRight2 = srcPitch2; + srcNext = srcPitch; + break; + case RR_Rotate_180: + src1 = src1 + srcPitch * (srcH - 1) + (srcW - 1); + src2 = src2 + srcPitch2 * ((srcH >> 1) - 1) + ((srcW >> 1) - 1); + src3 = src3 + srcPitch2 * ((srcH >> 1) - 1) + ((srcW >> 1) - 1); + srcDown = -srcPitch; + srcDown2 = -srcPitch2; + srcRight = -2; + srcRight2 = -1; + srcNext = -1; + break; + case RR_Rotate_270: + src1 = src1 + srcPitch * (srcW - 1); + src2 = src2 + srcPitch2 * ((srcW >> 1) - 1); + src3 = src3 + srcPitch2 * ((srcW >> 1) - 1); + srcDown = 1; + srcDown2 = 1; + srcRight = -srcPitch * 2; + srcRight2 = -srcPitch2; + srcNext = -srcPitch; + break; + } + + /* adjust for origin */ + src1 += top * srcDown + left * srcNext; + src2 += (top >> 1) * srcDown2 + (left >> 1) * srcRight2; + src3 += (top >> 1) * srcDown2 + (left >> 1) * srcRight2; + + if (id == FOURCC_I420) { + CARD8 *srct = src2; + + src2 = src3; + src3 = srct; + } + + dst1 = dst; + + w >>= 1; + for (j = 0; j < h; j++) { + CARD32 *dst = (CARD32 *) dst1; + CARD8 *s1l = src1; + CARD8 *s1r = src1 + srcNext; + CARD8 *s2 = src2; + CARD8 *s3 = src3; + + for (i = 0; i < w; i++) { + *dst++ = *s1l | (*s1r << 16) | (*s3 << 8) | (*s2 << 24); + s1l += srcRight; + s1r += srcRight; + s2 += srcRight2; + s3 += srcRight2; + } + src1 += srcDown; + dst1 += dstPitch; + if (j & 1) { + src2 += srcDown2; + src3 += srcDown2; + } + } +} + +void +KXVPaintRegion(DrawablePtr pDraw, RegionPtr pRgn, Pixel fg) +{ + GCPtr pGC; + ChangeGCVal val[2]; + xRectangle *rects, *r; + BoxPtr pBox = RegionRects(pRgn); + int nBox = RegionNumRects(pRgn); + + rects = malloc(nBox * sizeof(xRectangle)); + if (!rects) + goto bail0; + r = rects; + while (nBox--) { + r->x = pBox->x1 - pDraw->x; + r->y = pBox->y1 - pDraw->y; + r->width = pBox->x2 - pBox->x1; + r->height = pBox->y2 - pBox->y1; + r++; + pBox++; + } + + pGC = GetScratchGC(pDraw->depth, pDraw->pScreen); + if (!pGC) + goto bail1; + + val[0].val = fg; + val[1].val = IncludeInferiors; + ChangeGC(NullClient, pGC, GCForeground | GCSubwindowMode, val); + + ValidateGC(pDraw, pGC); + + (*pGC->ops->PolyFillRect) (pDraw, pGC, RegionNumRects(pRgn), rects); + + FreeScratchGC(pGC); + bail1: + free(rects); + bail0: + ; +} |